Phone not fully working ( No mobile data ) , Xiaomi Recommend a Re-flash - Xiaomi Redmi 3s Questions & Answers

Hello Techies
On Christmas Day My Redmi 3S Prime gave up the ghost , the Mobile radio refuses to latch onto a 4G Network and can only reliably make a call when a GSM network is selected . This seems a pretty common bug , though I have scoured the solutions ( which seem to work for others ) ; swapping to multiple sims/providers , manually setting APM and Factory Reset , though the phone barely connects to 2G/ Edge Technology . This is a huge inconvenience as I use the phone for both business and personal life - not being able to use it is a royal pain in the ass .
I have contacted Xiaomi who recommend flashing to the official developer ROM Version: 7.12.21 (MIUI9) . I currently have latest MUI Global ROM (8.5) I have tried updating (downgrading ) to an earlier build (8.1) - using the 'upgrade' app on the phone , however this would not work , the device said it could not update to an earlier build . However I will try the developer ROM next , which I guess should work ?
The other option was the fastboot upgrade , which allegedly allows the phone to downgrade to a previous version ( I wanted a stable ROM , I dont really need Dev ROM ) . However the instructions are extremely vague and were written in a different environment (for earlier MUI builds and WIndows 7 ) . When following the official 'Fastboot' flash guide , it transpired that 'download mode' did not work with MUI 8.5 - so it seems the guide is irrelevant
Bottom line currently I am lost on what to do next . I will try the DEV ROM and see how that goes I guess .

After some reading , I am of the understanding that my Bootloader is locked ? I had purchased the phone with the official Global MUI rom installed and have only updated it with OTA official updates previously . I did not want to unlock the bootloader as my banking app (Barclays ) will not install on unlocked devices. I understand unlocking the bootloader also roots the phone .

90Ninety9 said:
After some reading , I am of the understanding that my Bootloader is locked ? I had purchased the phone with the official Global MUI rom installed and have only updated it with OTA official updates previously . I did not want to unlock the bootloader as my banking app (Barclays ) will not install on unlocked devices. I understand unlocking the bootloader also roots the phone .
Click to expand...
Click to collapse
Try flashing the phone in edl mode. I don't think it needs bootloader to be unlocked to do that.
For procedure you can refer Google

Update:
I did manage to update to MUI global 7.12.21 Beta using the Stock updater app . However this did not fix the issue , the phone still connects just with GSM and Edge Networks . I tried all of the existing configuration solutions after the update , which also did not resolve the issue .
I also contacted the Xiaomi Outlet on Aliexpress , they suggest that I unlock the bootloader , as per the email they had sent me
Thanks for telling us the troubles you met. Do not worry. We are here to help you.
Sorry to tell you, the phone you ordered has out of the 6 months free repair warranty.
Please try the suggestions below to try to fix the problem by yourself.
1. pls do Reset of the APN in Settings-Mobile Network-Choose the SIM card-Access Point Names-Reset to default
2. Reset the phone (Please copy your data before you doing this step)
3 download the Develop ROM of your cellphone from http://en.miui.com/download.html, and then transfer this ROM pack the folder ‘downloaded_rom’, then go to Updater APP click the button on the right top corner then choose option “Choose Update Package”, click the develop ROM you just download and wait for the system update succeed
4. If the 2 suggestions above can’t fix the problem,please unlock the phone and then flash it.
http://en.miui.com/unlock/
http://en.miui.com/a-232.html
Hope it is helpful for you.
Click to expand...
Click to collapse
My gut feeling is that this is a hardware issue , it seems as though the radio reciever has burned out . I have already flashed with the native app . Is it worth trying to unlock the bootloader and reflash another rom ?
I dont want to waste any more time on this , any suggestions or thoughts on this are appreciated

So the reseller is asking me to unlock the phone though the Mii Unlock App , then flash it .
How can this make the 4G radio come to life ?

90Ninety9 said:
So the reseller is asking me to unlock the phone though the Mii Unlock App , then flash it .
How can this make the 4G radio come to life ?
Click to expand...
Click to collapse
If you really feel it's a hardware issue, then it's recommended to claim the warranty or replace. I'd suggest you not to go with bootloader unlocking at this stage
---------- Post added at 05:21 PM ---------- Previous post was at 05:20 PM ----------
Also, ask the mods to move this thread to question and answers section.

Try *#*#4636#*#*
Than choose Telp Information1 >> choose type "LTE/WCDMA" or "LTE Only"

Hello
OK I made some progress , I changed the sim Card to an O2 Network Sim which works perfectly . I had tried exhausted all other practicable solution given including the above . This doesn't explain why the phone stopped working with all EE network providers ( tried Virgin , EE, Plusnet ) .
http://en.miui.com/thread-1429676-1-1.html

How can I find out which bands a sim card provider is using ( Live Information ) . I have tried to research this but bands have changed over the years , so not sure which provider is using which band . I wanted to determine which bands the phone will currently work on .

Related

GT-I9305 cm11 4.4 android unlock

hello,
I have a problem . the phone is network locked, and i`m not sure if is posible to unlock it without me going to the network operator to pay and ask to be unlocked.
i tried to unlock it but i can`t use the *#xxxx# codes as no secret/service menu show ip.
i think to downgrade from cm11 4.4 to a stock rom 4.1 but as i read here will not work and even worse will brick the phone ,
if any one know a way or have a solution for me , please reply , any advice will be tested as long as i dont brick the device
thanks, and please help me .

S7edge SM-G9350-NO 4G DATA**I WILL DONATE $50-$100 TO WHOEVER GIVES ME THE SOLUTION**

The exact model is Samsung Galaxy S7 edge SM-G9350 64 GB GOLD PLATINUM
First I want to get this off my chest. I registered this week (I used XDA before like 7 or 8 years ago in high school when I use to flash custom ROMS on windows mobile phones-good times hehe)because I am frustrated since I bought an unlocked Samsung Galaxy S7 edge from a stranger using craigslist on Sunday night. The ad said it was T-mobile Unlocked and in brand new condition with the box and original accessories and it had some pictures.So why not buy it cheap for since I'm using a T-mobile LG-K7 with a cracked screen,right?WRONG!! The phone is working fine except I am only getting EDGE data!!! I found out that it is a chinese variant and it works fine with my T-mobile sim card here in the U.S.A except it can't connect to 4G and that is probably why the shady guy sold the phone cheap to let it become someone else problem I also saw 1 or 2 of these models in the box as well and he said a friend gave it to him and he is just selling it(B.S.) I forgot craigslist had scammer like 40% of the transactions lol, I use to meet these types of people in middle and high school when I bought and sold my used or old T-mobile phones though I never scammed or conned any one.I remember some people would act shady or too nice for no reason,probably cause they stole the phone and were making 100% profit off me.This same guy is one of them.
ANYWAYS THANK YOU FOR READING MY RANT---- NOW ON TO THE POINT OF FIXING THE DATA ISSUE
I am getting unlimited 4G on my k7 and everyone else on our plan is using unlimited 4g just fine.Samsung rep at best buy said its legit and its an international chinese variant and to look around on here to fix the issue. He told me something about the band and t-mobile towers to pick up the frequency. He said I got a really good deal if I can 4g on there. If not than re-sell it and make it someone elses problem. I looked all around google the past few days an either no one has this problem or if they do than the solution doesn't work on my phone.
Here is what I tried so far:
A) T-mobile reset the network connection via tech support
B) I factory reset the phone numerous times
C)I got the right APN settings set on the phone to be connected to nearest towers, a store rep did it for me to make sure.
D) I replaced and used another activated T-mobile sim card
E) I download some apps I saw on here to check LTE signal etc and its running very slow edge
*********I am on the sim status screen and right now as I'm typing this the signal strength is
-61 dBm 26 asu,cellular network type is EDGE,NETWORK is T-mobile, Service state is In service,Roaming is not roaming,cellular network state is disconnected*******
------I hope someone can pick up information off of that and maybe I could change some settings
E) I dialed *#*#4636#*#* and got to a screen to allow me to check phone information,battery information,usage statistics,wi-fi information-under phone information there are options to set preferred network types to: WCGMA,GSM, GSM auto(PRL), CDMA auto(PRL),CDMA only,EvDo only,GSM/CDMA auto(PRL),LTE/CDMA auto(PRL),LTE/GSM(PRL),CDMA auto(PRL),LTE only,Unknown. It will only stay on up to GSM auto(PRL)
....also when I press menu on this screen there is an option to enable data connection and when I click it,it won't stay,it just keeps saying enable data connection
F)I googled what bands this model and it is able to use and it has the capability to be used on T-mobile bands
What else can I do get the data working to 4G right now? The phone is running Android 6.0.1 and won't update to Nouget over the air. I want to root the phone and see if I can install a custom Nouget rom( since the samsung guy said the phone will brick if I try to install the T-mobile Nouget rom or I can't even do it since its an international variant-by the way I am able to have google services on here like play store,etc. so I don't know if that makes a difference to what variant and rom it is because I heard one or the other of hong kong or open china variants for this phone is better and can't use google play)and maybe I am able to connect to 4G data.
Like the title of this post says, I promise I will back up my donation I really don't want to sell the phone unless I have to because I will not get a better deal anywhere ever again for the latest high end phone from a manufacturer
Quick search gives this https://forum.xda-developers.com/s7...g9350-nougat-final-hkrom-alpha-02-18-t3558844
Sent from my SM-G935V using Tapatalk
you have to flash the correct CSC this will fix your 4G if you buy an device from a other country than is it possible that you get this problem but when you flash the correct CSC you will get 4G i helped so much people with this problem with a S7 device, i think this your solution
if this fix works for you just keep your money we are developers not for paying
Maybe you should post this in the T-Mobile section.
In my idea this should have 4G data on T-Mobile US out of the box as the required LTE bands are supported by the G9350. Did you check the APN settings? (VoLTE and WiFi-Calling may or will not work without t-mo-rom but that's another topic)
Also you should be fine to flash a T-Mobile US rom as both have Snapdragon SoC. You don't need root to flash an official rom.
Out of curiosity: what about 3G?
rientkill1 said:
you have to flash the correct CSC this will fix your 4G if you buy an device from a other country than is it possible that you get this problem but when you flash the correct CSC you will get 4G i helped so much people with this problem with a S7 device, i think this your solution
if this fix works for you just keep your money we are developers not for paying
Click to expand...
Click to collapse
Thank you so much!!! People have actually asked through pm to donate to bitcoin first before helping me and here you are helping me first by the way.
I am going to find the correct CSC, what does that stand for? Can I flash a T-mobile 7.0 Nougat rom on my Galaxy SM-9350 first that the person before you replied about(its the link)?? I want to do both to have T-mobile settings and to use the 4G although the 4G is a thousand times more important. If I can do this than I am a happy man!
Why is there a boot loader and modem link attached to every post containing a ROM download? Does that need to be downloaded first,and what are the next steps,if so? I know these are questions I need to search about they are all confusing and mumbled and jumbled up. Even though I registered this week for help I was a member here like 8-9 years ago in high school when I was flashing custom ROMS on Windows mobile phones(good times hehe) but it got addictive,took a lot of my time from studying, and I totally forgot how do things.
andiling said:
Maybe you should post this in the T-Mobile section.
In my idea this should have 4G data on T-Mobile US out of the box as the required LTE bands are supported by the G9350. Did you check the APN settings? (VoLTE and WiFi-Calling may or will not work without t-mo-rom but that's another topic)
Also you should be fine to flash a T-Mobile US rom as both have Snapdragon SoC. You don't need root to flash an official rom.
Out of curiosity: what about 3G?
Click to expand...
Click to collapse
Hey I made a new thread today in Q&A for GS7. The APN settings were put in by a T-mobile store associate and it still didn't work. I don't care about VoLTE/Wifi-Calling although I noticed some people on here are worred about that-its just something I never use.
Are you sure I don't need root to flash an official ROM?The Samsung Galaxy guy at Best Buy said it would brick if I used an official ROM because the phone is an international variant. If I can use an official ROM,I can't get Nougut OTA via T-mobile anyway as my phone keeps saying it is updated even though it is 6.0.1. How do I get the offical ROM manually on the computer? Samsung Smart Switch isn't even recognizing my device when it is connected and Smart Switch on my phone looks like it is only suppose to be used to receive files from another phone? I have the link for a T-mobile 7.0 ROM from a post on here that he used on the same exact model I don't know if I am suppose to root the device first or not yet since it looks custom made.
Thank You for helping me out it means a lot you guys are the best! I can already see myself on here a lot in the future doing stuff different android phones like I 8 or 9 years ago in high school on windows mobile phones.
andiling said:
Maybe you should post this in the T-Mobile section.
In my idea this should have 4G data on T-Mobile US out of the box as the required LTE bands are supported by the G9350. Did you check the APN settings? (VoLTE and WiFi-Calling may or will not work without t-mo-rom but that's another topic)
Also you should be fine to flash a T-Mobile US rom as both have Snapdragon SoC. You don't need root to flash an official rom.
Out of curiosity: what about 3G?
Click to expand...
Click to collapse
The only data I am getting is EDGE
So, I guess something is wrong.
You can try flashing the designated firmware for this device first and see if this helps. To get the right one (who knows what all was tampered with) use best the Phone Info tool.
I've had this exact issue before, with a Nexus 5 that I bought from Telus, I am with Telus, it ended up being I had to go buy and register a new SIM card, then it was fine, might not be a solution for you but Worth a try,
Actually get a SIM card from your provider, have them register it in the store
Sent from my SM-G935W8 using XDA-Developers Legacy app
Thanks I did that yesterday already and it still didn't work
I am a member because the owner hates the Iphone and I respect that
What would be the correct CSC file for this device? I tried to flash CSC from a SM-G935t firmware and it didn't work even though she said it didn't matter lol(senior member too)
I am a member because the owner hates the Iphone and I respect that
I'm going to try to find an official U.S. T-mobile ROM and flash with odin...but does it have to be specifically for SM-G9350? I don't think I can find one for that......
I am a member because the owner hates the Iphone and I respect that
1) Download this https://dl.twrp.me/hero2lte/twrp-3.1.0-0-hero2lte.img.tar.html and WAIT.
2) Download superman ROM: https://www.androidfilehost.com/?fid=817550096634750162
I choosed this rom cause it got nougat bootloader and kernel. Also download CSC chooser zip: https://www.androidfilehost.com/?fid=745425885120710484
3) Install twrp via ODIN and uncheck auto reset in odin. Then press power + home + volup to go to recovery. Put the superman rom and CSC chooser zip files on Sd card and put back in phone.
4) Install Superman rom,in aroma pick superstock kernel 'samsung pay and knox work' and install/update everything especially the bootloader. In mods stick to stock as possible.
5) Install the CSC zip file and choose t-mobile USA.
6) reboot and pray everything works LOL
I'm not responsible for any damage that might occur but if ir worked donations are welcome to help a medical student here
modaifallah said:
1) Download this https://dl.twrp.me/hero2lte/twrp-3.1.0-0-hero2lte.img.tar.html and WAIT.
2) Download superman ROM: https://www.androidfilehost.com/?fid=817550096634750162
I choosed this rom cause it got nougat bootloader and kernel. Also download CSC chooser zip: https://www.androidfilehost.com/?fid=745425885120710484
3) Install twrp via ODIN and uncheck auto reset in odin. Then press power + home + volup to go to recovery. Put the superman rom and CSC chooser zip files on Sd card and put back in phone.
4) Install Superman rom,in aroma pick superstock kernel 'samsung pay and knox work' and install/update everything especially the bootloader. In mods stick to stock as possible.
5) Install the CSC zip file and choose t-mobile USA.
6) reboot and pray everything works LOL
I'm not responsible for any damage that might occur but if ir worked donations are welcome to help a medical student here
Click to expand...
Click to collapse
Nice, I like what you have! My model is different so I don't know if the ROM will work though I'm almost finished downloading it at the moment. Instructions 3 and 4 is confusing. Don't I need to put superman ROM and CSC file on sd card while the phone is ON?And am I suppose to transfer it on there via usb cable or can I also do it via google drive than open in up phone gmail and put it on sd card? Also do I need to extract the CSC file first to my computer desktop? That file takes forever to extract! Is instruction 4 suppose to be while in recovery mode? Also is it normal for my phone to show "no command" while in recovery mode?
Thank you ?
The rom will work because your phone is exynos based. It got a different model number because it's for Chinese markets. Put the rom on the SD card using whatever method, just do it before flashing the recovery, because your phone may not boot after the recovery to the stock firmware because Samsung has put some crap to prevent using custom firmware. I forgot to say that also before doing anything go to device info - > software - > and press build number several times to enable developer options then back to settings and go to developer options and enable OEM unlocking.
Yes, commands 4 are made in recovery. Install - > pick the zip file and install.
All zip files aren't extracted! The recovery uses the zip file as it is.
Good luck
okaythan24 said:
I'm going to try to find an official U.S. T-mobile ROM and flash with odin...but does it have to be specifically for SM-G9350? I don't think I can find one for that......
I am a member because the owner hates the Iphone and I respect that
Click to expand...
Click to collapse
Were you able to flash the U.S. T-mobile ROM onto SM-9350?
The official firmware can be found on https://www.sammobile.com/firmwares/database/SM-G935T/
I found it yesterday but their free server is under maintenance so he will have to pay to just download a firmware file.
I don't know why don't samsung provide them for free on their site!

Samsung galaxy note 3 Verizon help help help

Actually i am from india and i bought an samsung verizon note 3.. It was good before also i was able to use airtel 4g also.. But one of my friend installed stock rom and the mobile does not showing 4g at all.. I tried to root the phone but faiked to root... Please developer help me to install a custom rom and help me to use the phone with 4g
dipankar.c2bs said:
Actually i am from india and i bought an samsung verizon note 3.. It was good before also i was able to use airtel 4g also.. But one of my friend installed stock rom and the mobile does not showing 4g at all.. I tried to root the phone but faiked to root... Please developer help me to install a custom rom and help me to use the phone with 4g
Click to expand...
Click to collapse
The problem is the APN and you can not modify it. Contact your carrier and see if they can assist.
Sent from my SM-N900V using Tapatalk
ehrn i purchased the phone it was perfect. connecting internet was showing 4g.. but when i installed this original Verizon rom it became difficult.. now i am unable to root and install custom recovery... please guide me to root and install custom recovery TWRP and i want to install custim rom.. please help
@dipankar.c2bs
You might look into getting your CSC "sales_code" changed. I'm not sure if that is entirely the problem, but it is likely related. Even the USA Verizon ROMs come preloaded with databases that are used to provide custom parameters for a variety of carriers and locations world-wide. (See the file /system/csc/imsprofile.xml for example) I suspect the way this information is actually used is through the "sales_code" CSC value, but I'm not 100% sure of that.
I'm guessing you want "INS" or "INU" instead of VZW
What you currently have:
Code:
getprop | grep -i csc
If your handset is supported by Airtel, one of their technicians will probably know how to do the CSC change, possibly without even rooting the phone.
If it not supported, they probably will be under orders of their employer not to help you at all. But, is is easier for them to give you advice face-to-face, rather than over the telephone (subject to monitoring), if that is possible.
A question to ask - a form of social engineering - is this: "do you know of someone in the area that can help me for a small fee?"
[EDIT]
There is one other possibility for a non-rooted phone. I really don't know if this would work (I am speculating here), but the basic idea is to apply a CSC for a closely related device Model (a SM-N90???? Qualcomm model, hopefully for CDMA/LTE) that is for your country and carrier on top of your existing ROM using Odin. Get the CSC file from Sammobile, and:
- wipe the entire phone using the stock recovery. (You can remove the external SD card first if you like)
- boot the phone, shut down, boot into stock recovery.
- wipe the entire phone again in the stock recovery
- boot into Odin and flash the CSC in the CSC slot.
- boot the phone; do a minimal configuration and see if you have the service you want.
Note that @donc113 s advice given above is the right place to start: ask your service (Airtel) to help you before you try anything yourself.
good luck.
when i purchase it was good... there was 4g indicator also.. no verizon boot screen.. but now it dont works..
dipankar.c2bs said:
when i purchase it was good... there was 4g indicator also.. no verizon boot screen.. but now it dont works..
Click to expand...
Click to collapse
One of your friends who installed the stock ROM apparently didn't understand the consequences of what he did. Stock ROMs set the APN for Verizon. Did this friend happen to make a backup before he did the ROM switch?
Sent from my SM-N900V using Tapatalk
no he have not back up the previous rom
Knox?

SM-G935FD wont connect to network/carrier after routing to Nougat 7.0 with odin

Please someone help me, i was updating my s7 edge duos to 7.0 after that i cannot join network, wifi works well and got signal also but cant connect for some reason shows Emergency Calls Only i tried many roms and with every single i got no network, nothing helps.. when i check dial 06# my both imeis are OK and nothing is wrong with it..
maybe i flashed wrong modem or something and how can i repair it now? please help
Provide more details of your phone , are you using original stock rom ? Or rooted custom rom? You may try changing sim , or wiping cache partition in recovery , if that doesnt work only option is factory reset, also tell if your update was successful without errors ? And use the same firmware as your current region , and also check if your phone is carrier locked , then you need to unlock it to work or use the same carrier firmware.
bachimpek said:
Please someone help me, i was updating my s7 edge duos to 7.0 after that i cannot join network, wifi works well and got signal also but cant connect for some reason shows Emergency Calls Only i tried many roms and with every single i got no network, nothing helps.. when i check dial 06# my both imeis are OK and nothing is wrong with it..
maybe i flashed wrong modem or something and how can i repair it now? please help
Click to expand...
Click to collapse
Hi Bachimpek
Seems like you need to patch your certificate , try to downgrade to 6.0.1 and see if phone can connect to network if that doesnt work then you need to patch your certificate with a box like "z3x" or "octipus"
Sent from my SM-G930F using Tapatalk
shah22 said:
Provide more details of your phone , are you using original stock rom ? Or rooted custom rom? You may try changing sim , or wiping cache partition in recovery , if that doesnt work only option is factory reset, also tell if your update was successful without errors ? And use the same firmware as your current region , and also check if your phone is carrier locked , then you need to unlock it to work or use the same carrier firmware.
Click to expand...
Click to collapse
I have flashed to stock rom from sammobile, for region serbia, and after that i changed to many different countryies, nothing helps, i wiped cache and factory reset, nothing of that helped me , it was sucessfull without errors, my carrier is not locked because i used all carriers in previous android 6.0.1
ironman101 said:
Hi Bachimpek
Seems like you need to patch your certificate , try to downgrade to 6.0.1 and see if phone can connect to network if that doesnt work then you need to patch your certificate with a box like "z3x" or "octipus"
Sent from my SM-G930F using Tapatalk
Click to expand...
Click to collapse
already tried doesent helping downgrade, can you give me proper links to download that programs, or i need to go to service to be finished with jtag?
bachimpek said:
already tried doesent helping downgrade, can you give me proper links to download that programs, or i need to go to service to be finished with jtag?
Click to expand...
Click to collapse
So , you want to downgrade ? Just download a complete firmware file with all files included and flash it with odin, it will downgrade , if it solves the problem , maybe stay with it instead of nougat.
shah22 said:
So , you want to downgrade ? Just download a complete firmware file with all files included and flash it with odin, it will downgrade , if it solves the problem , maybe stay with it instead of nougat.
Click to expand...
Click to collapse
tried doesent help.. after that i set to custom rom.. problem still appears.. can it be fixed without BOX?
bachimpek said:
tried doesent help.. after that i set to custom rom.. problem still appears.. can it be fixed without BOX?
Click to expand...
Click to collapse
Don't seems so , you need to repair it in z3x or octoplus box , but if network was working well before update to nougat , it should work when you downgraded again to 6.0.1 , so i guess its some certificate issue , but you may check some setting and try to search networks manually and try changing network type to 3g/2g , 3g only , 2g only. Also try checking different sim cards. If it did'nt fix then you have to repair by box. Good luck
Sent from my S7 Edge using XDA Labs
Hello, same problem samsung s7 edge SM-G935FD. restarted my phone and no network. My region is Lithuania and i cant find firmware of my country, what to do ?

Rebranding FRD-L09C185 to FRD-L09C675

**WARNING!! DO EVERYTHING @ YOUR OWN RISK!!NO ONE IS TO BE BLAMED EXCEPT YOU!!**
**ALSO I DID HAVE HELP(INDIRECTLY) FROM OTHER XDA MEMBERS
I owned a Honor 8 FRD-L09C185 version which supports dual sim but no volte. I'm from India and I use Jio SIM as my daily driver. For the sake of all other Non-Indians, Jio sim only support volte and the phones without volte uses an app called 'JIO4G VOICE'. The app often closes in the back ground & requires always ON data and its buggy. Hence I didn't receive messages or calls most of the time. Recently I heard about Honor 8 in India receiving volte support. Later on I learned that the Indian version of Honor is FRD-L02C675 and supports only single sim with volte support.
There were numerous threads for RETURNING TO STOCK ROM, ROLLING BACK TO EMUI4.1, REBRANDING CHINESE PHONES TO FRD-L09/FRD-L04. I wasted around a week trying to figure out a way to Rebrand my FRD-L09 to FRD-L02. Below are the links to the few xda threads which I had tried and failed.
1. https://forum.xda-developers.com/honor-8/how-to/guide-flashing-unapproved-firmwares-t3668306
2. https://forum.xda-developers.com/honor-8/help/debrand-frd-al00-to-frd-l09-update-to-t3552445
After a lot of extensive searching in google and xda, I came across this xda thread from gopinaidu77. Here is the link : https://forum.xda-developers.com/honor-8/how-to/guide-honor-8-t3612873
Now I know most of your complaining about this being a duplicate post, but if you have read his post he warns of loosing dual sim feature if Rebranded to FRD-L02. I did everything as he said on the post and successfully. I checked 'About Phone' from Settings and found it as FRD-L02c675 and also found 'Volte' in Connections . Also I noticed no dual sim support like he said in the aforementioned post.
Now for some reason I rooted my phone, I think I rooted to install Dolby Surround feature or Viper4Android. Later I couldn't download many apps from playstore and couldn't use Samsung Pay on Gear S3(US version obviously, thank God) since my device wasn't verified. So I Unrooted my phone, wiped data/cache, the usual procedure.
When the device turned on my device was back to normal, but then later I found out that I have support for dual sim support as well as Volte. I don't know how this happened but anyone else is welcome to try. Will post screenshots later, since I don't have any micro sims lying around.
TIPS BEFORE REBRANDING (TRUST ME I HAVE DONE EVERYTHING THAT COULD GO WRONG):
1. Backup everything to your PC/sdcard (via TWRP only)
2.Be patient, the whole process takes a lot of time and anything can go wrong and you may have to do it again.
3. Keep another phone as backup till you have completed the procedure.
4. I don't about other devices, but Honor 8 is totally unbrickable
a. I forgot to flash system file once and got func() error code; like said in other threads, drain your phone's battery
completely. Then enter fastboot mode (vol down+power), it works(tried twice).
b. Huawei Multi Tool is so useful and can be used easily to unbrick the device.
5. Know the procedure well and do it in order. Don't be careless!
6. Rebranding works only in EMUI4.1 , if you try in in EMUI5 you will brick your device. So rollback!
7. Finally thank the fellow xda members who have helped you.
Rebranding Procedure - Follow the Guide by gopinaidu77
Link once again : https://forum.xda-developers.com/honor-8/how-to/guide-honor-8-t3612873
The procedure worked and as for the support for Dual SIM & Volte, someone try what I did & share what happened so that other can benefit.
Also the firmware for FRD-L02 shared by gopinaidu77 and also available from honor website was found to be corrupted. I found a link to firmwares from another xda member, link : https://mega.nz/#F!hTRlyQpJ!PhjE6p3XJ0PeSSVXgXVLDA
Thanks for reading the post(If you have read it)
---------- Post added at 02:52 PM ---------- Previous post was at 02:48 PM ----------
elvin3d said:
**WARNING!! DO EVERYTHING @ YOUR OWN RISK!!NO ONE IS TO BE BLAMED EXCEPT YOU!!**
**ALSO I DID HAVE HELP(INDIRECTLY) FROM OTHER XDA MEMBERS
I owned a Honor 8 FRD-L09C185 version which supports dual sim but no volte. I'm from India and I use Jio SIM as my daily driver. For the sake of all other Non-Indians, Jio sim only support volte and the phones without volte uses an app called 'JIO4G VOICE'. The app often closes in the back ground & requires always ON data and its buggy. Hence I didn't receive messages or calls most of the time. Recently I heard about Honor 8 in India receiving volte support. Later on I learned that the Indian version of Honor is FRD-L02C675 and supports only single sim with volte support.
There were numerous threads for RETURNING TO STOCK ROM, ROLLING BACK TO EMUI4.1, REBRANDING CHINESE PHONES TO FRD-L09/FRD-L04. I wasted around a week trying to figure out a way to Rebrand my FRD-L09 to FRD-L02. Below are the links to the few xda threads which I had tried and failed.
1. https://forum.xda-developers.com/honor-8/how-to/guide-flashing-unapproved-firmwares-t3668306
2. https://forum.xda-developers.com/honor-8/help/debrand-frd-al00-to-frd-l09-update-to-t3552445
After a lot of extensive searching in google and xda, I came across this xda thread from gopinaidu77. Here is the link : https://forum.xda-developers.com/honor-8/how-to/guide-honor-8-t3612873
Now I know most of your complaining about this being a duplicate post, but if you have read his post he warns of loosing dual sim feature if Rebranded to FRD-L02. I did everything as he said on the post and successfully. I checked 'About Phone' from Settings and found it as FRD-L02c675 and also found 'Volte' in Connections . Also I noticed no dual sim support like he said in the aforementioned post.
Now for some reason I rooted my phone, I think I rooted to install Dolby Surround feature or Viper4Android. Later I couldn't download many apps from playstore and couldn't use Samsung Pay on Gear S3(US version obviously, thank God) since my device wasn't verified. So I Unrooted my phone, wiped data/cache, the usual procedure.
When the device turned on my device was back to normal, but then later I found out that I have support for dual sim support as well as Volte. I don't know how this happened but anyone else is welcome to try. Will post screenshots later, since I don't have any micro sims lying around.
TIPS BEFORE REBRANDING (TRUST ME I HAVE DONE EVERYTHING THAT COULD GO WRONG):
1. Backup everything to your PC/sdcard (via TWRP only)
2.Be patient, the whole process takes a lot of time and anything can go wrong and you may have to do it again.
3. Keep another phone as backup till you have completed the procedure.
4. I don't about other devices, but Honor 8 is totally unbrickable
a. I forgot to flash system file once and got func() error code; like said in other threads, drain your phone's battery
completely. Then enter fastboot mode (vol down+power), it works(tried twice).
b. Huawei Multi Tool is so useful and can be used easily to unbrick the device.
5. Know the procedure well and do it in order. Don't be careless!
6. Rebranding works only in EMUI4.1 , if you try in in EMUI5 you will brick your device. So rollback!
7. Finally thank the fellow xda members who have helped you.
Rebranding Procedure - Follow the Guide by gopinaidu77
Link once again : https://forum.xda-developers.com/honor-8/how-to/guide-honor-8-t3612873
The procedure worked and as for the support for Dual SIM & Volte, someone try what I did & share what happened so that other can benefit.
Also the firmware for FRD-L02 shared by gopinaidu77 and also available from honor website was found to be corrupted. I found a link to firmwares from another xda member, link : https://mega.nz/#F!hTRlyQpJ!PhjE6p3XJ0PeSSVXgXVLDA
Thanks for reading the post(If you have read it)
Click to expand...
Click to collapse
All are good but only tell me one thing about. How dual sim working properly in your case. do you try dual sim. If yes then give me process how did you get it dual sim in FRD-L02C675. BECAUSE i have FRD-L09C185 also and i want to use dual sim. I know the process of rebranding. An i also done with FRD-L04 and revert back also because there have no volte. But today I read your post and found it's possible. So tell me the process after rebranding. after rebranding procedures to get volte. Please tell me and also tell me you tried two sim together or not. I mean I want to know that if technical error show two sim slot but not in real present. I mean you understand what I mean. and please mail me also if you have time.
Hi,
I've rebranded my Chinese AL10 to L09 and am now trying to update to B412-FULL (OTA official update, in system update if I select download latest full package it find this). When I try to install this is all seems to work (no errors are shown) but it puts me into a boot loop. The only way I've found I can get out of this is to rollback via the force update method (using microSD card's dload folder). Once back in EMUI 4, I can do a system update to get back to B360 (EMUI 5). Does anyone know if this is as far as I can update - is this some issue with any newer EMUI version and the rebrand maybe?
Thanks

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