IMEI issues no signal - Google Pixel 4 Questions & Answers

i think i broke my phones imei and now there are no signals. The phone is not showing the correct IMEI and not getting any calls. Please help me i have factory reset the phone as well

How did you break it? Have you tried reinstalling the firmware?

Hi I am not the thread owner but I have a trouble with IMEI , could someone help ?
Well I have a Motorola Edge s30 (global name ) Motorola g200 (Brazil name) and I work in Motorola I am with a test one (with a proto hardware) (normally they give all the experimental mobiles to employees because after the launch of the product they are scraped or given to employees) it have a 2 IMEs (of course it's a dual sim )
The problem is :it is loaded with a stock ROM (with is for a normal mass production mobile), the test engineers do not have a appropriate stock ROM for this version ) and the stock one I am using now is without signal . because my mobile is not 100% identical to the mass production one I have the IMEI 0 IMEI sv 0 problem .
Can I solved this in a simple way ? If it need to flash how I get a ROM that it will work in this phone ?

Related

[HELP] Network problem with my I9505

Hi guys !
I've just bought a samsung galaxy s4 (i9505) (a used one not new) and i flashed Imperium v7 and modem GNF1 and bootloader GNF1 (initially the phone was on stock 4.2.2 and the problem was already there).
My problem is that i don't get the network i rarely see two or three bars but it directly goes to zero (i can see the no network sign) and stays like that until a reboot (as said it drops to no network very fast).
So my question, is it software ? (should i flash the latest samsung stock firmware ?) or is it hardware ? (replace the internal network ship ?)
Or is it a common problem on S4 i9505 and no solution cannot be found ? :crying:
Could it be related to CSC ?
Anyway, i hope anybody can help me because i really like this phone and the rom that i just installed ..
Feel free to ask me about additional informations.
EDIT : I already tried :
1) the modem+bl FNDA => same result
2) force the phone to gsm only => same result (maybe better but even it solves the problem there is no point to not having 3g activated all the time)
mbmb8989 said:
Hi guys !
I've just bought a samsung galaxy s4 (i9505) (a used one not new) and i flashed Imperium v7 and modem GNF1 and bootloader GNF1 (initially the phone was on stock 4.2.2 and the problem was already there).
My problem is that i don't get the network i rarely see two or three bars but it directly goes to zero (i can see the no network sign) and stays like that until a reboot (as said it drops to no network very fast).
So my question, is it software ? (should i flash the latest samsung stock firmware ?) or is it hardware ? (replace the internal network ship ?)
Or is it a common problem on S4 i9505 and no solution cannot be found ? :crying:
Could it be related to CSC ?
Anyway, i hope anybody can help me because i really like this phone and the rom that i just installed ..
Feel free to ask me about additional informations.
EDIT : I already tried :
1) the modem+bl FNDA => same result
2) force the phone to gsm only => same result (maybe better but even it solves the problem there is no point to not having 3g activated all the time)
Click to expand...
Click to collapse
It's going to be pretty difficult to narrow this down with what you've posted. You say the problem was "already there" when you got the phone -- how long did you use it on the stock 4.2.2 rom before flashing a new one? Did you see exactly the same behavior before you started mucking with it?
Hi ! Finally an answer So i used it for about 3 days and i really can tell that it is the same behaviour
My fear is that it may be related to hardware .. I am gonna try to flash the latest samsung stock firmware (with its csc and modem) ?
Anyway any idea ??
mbmb8989 said:
Hi ! Finally an answer So i used it for about 3 days and i really can tell that it is the same behaviour
My fear is that it may be related to hardware .. I am gonna try to flash the latest samsung stock firmware (with its csc and modem) ?
Anyway any idea ??
Click to expand...
Click to collapse
In general I'd say it's worth getting the phone to "current" stock, or as close to it as possible, and seeing what kind of situation you're in (i.e. if the behavior disappears or changes in any way). If you're seeing it on every configuration, it seems reasonable to suspect that it could be a hardware issue -- especially given that you got the phone used.
Perhaps someone else knows of a more definitive test you can try.
Hey ! Thanks for the idea ! already flashed the latest samsung firmware and same problem .. i stayed in touch with the guy that sold it to me so he took it back to samsung sav where his friend (who work there) told him that this is a famous bug in the i9505 4g serie and that the only solution is a
nvm restore (something like that). Of course he'll do it for free cause we agreed that if a problem come out he'll have to solve it on his own.
Anyway, i hope to get it back tomorrow or monday ! I'll let you know what happened as soon as i get it back !
solution?
Were you able to solve the problem? in case u were, how? i have the same issue sometimes i have 3g network, then it goes to gprs then edge, sometimes when im connected to wifi i cant receive calls, but i can do calls, any idea?

Lenovo K920 (vibe z2 pro) Baseband version: unknown

Hi, i have (or i had ) a lenovo k920 (chinese version) i have installed via qfil a modded row rom. After that it won't read sim cards anymore (it show only two red cross). by typing on the dialer *#06# i sow that both IMEI was lost (both value was 0) so i replaced the right ones with a little software found on the net. It still won't read sim cards and i noticed that in "version information" it show Baseband version: unknown.
I have done anything: reinstall modded rom, back to stock rom, try another rom...but nothing changed. Please someone can help me?
ty and sory for my English.
ROW software won't work on chinese version of the phone. The radio is different so it uses different software. Therefore you cannot get SIM signal. Flash CN rom, root and debloat manually. That's what I have found to work so far...
Hello, I bought the k920 (china mobile 4G) new from a chinese friend who bought it for me in china. It came pre-manipulated for the international market with K920_ROW_S226_150429_TWRP_ROW.zip , MODEM_CN1.zip and SuperSU_for_K920.zip still left on the internal storage. I got access to all the network types and only the telephone function doesnt work somehow if LTE is enabled. It seems like the network types are also not able to switch between eachother at loss and gain of signal strength. So I am wondering what methods the chinese guys used to achieve my set-up... Baseband version is DI.3.0. Build number 226 and Android Version 5.1.1. And I checked my bootloader and it seems like its locked, according to the adb output ( fastboot oem device-info)
Thanks in advance... EDIT: and sorry for necro bump.

mobile region unknown

Hello to all
I have bought a second hand Samsung galaxy note 3 n9005. i have noticed that the region is mismatched. i am saying this because the signal reception is really bad. call wont go through and after some tries it will and etc. i do not know what is the real region of the mobile. is there anyway to know that? currently i have my imei intact, so i do get signals.
I am currently on KITKAT
i will be really grateful if anyone can help me out.
Hope to hear from you guys soon
Thanks in advance
Original region is not what you want .
You want firmware or baseband and CSC for the network you want to use now .
Phone Info from Play store will give phone details.
thanks for ur reply
Ic
i have tried a few firmwares that work here but their reception is not good
Modem / Base4band is the key .
hmm ic
that is the main issue
how do i identify which baseband (region) was my phone orignally on?
because there are too many of them available and if i try them one by one then it will take too much time and also there is a chance that the imei might go null
Start.
Where are you and what network.
Say you are in the UK and on O2 network then you flash uk o2.
But backup your EFS first .
Sent from my SM-N920C using XDA-Developers mobile app
I have done this but no go
Loose connection bad sim or hardware fault .
dunno
things seems ok apart from this issue and my sim works perfectly on other mobiles
any more suggestions please
Thanks

Phone not fully working ( No mobile data ) , Xiaomi Recommend a Re-flash

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 .

SM-G950FD no network available

Hi everyone, i'll beging in thanks for anyone that can help me with my problem
So my phone just got a random crash, after that the network won't work at all. What i tried :
Testing another sim card from other provider
Wiping the phone in Odin
Custom rom with custom kernel
Restoring EFS
Checking if water damage inside the phone
Imei is good
Phone was bought in Canada it's the dual sim model so no warranty here.
Could i get it repaired in the country of origin for free ?
Also can a *box* could repair the modem ?
Any help would be accepted
Thanks

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