I've installed Cyanogenmod 13, didn't backup EFS and phone doesn't have correct IMEI when I use stock ROM.
so, I sent my device to Samsung service center, hoping they fix it
they called me today saying that they need to change the motherboard because there's no other way to fix IMEI, and they want 220$ at least.
are they correct?
Maybe ?
What is the issue with your phone ? Why did they need to replace the motherboard ?
Yes, OP, they will have to change that motherboard in an official service center. GSMA rules currently forbid changing the IMEI of GSM terminals.
You'll get a new motherboard, with a new IMEI and a new IMEI sticker on the back of your phone.
Alternatively, you can take it to a shop that has a Z3X-box/Octoplus box, and have it flashed with a new IMEI. Should be ~$10.
This happened to me back when I had a Note 3.
changing IMEI is illegal, but $220 is so dang expensive for a motherboard. You can say yes to samsung, or you can buy another phone with broket screen (same model) then swap the motherboard...
Seems I'm lucky to live in a place full of hackers and pirates xD
I found several shops that use z3x box, will try to look for the lowest price offer
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Default [Q] new mother board/ logic board
Have an sgh I337 att galaxy 4,
My issue and question, i have had this phone for a while it has seen a LOT of abuse, have replaced busted screen 2 times!
with that in mind latest issue and yes did factory reset camera shows nothing on screen and says a error, also wifi will not turn on at all slide to turn never connects goes to off position, ni assume due to many drops the board had said enuff, !
now my question if i buy a new logic board / mother board will i have issues connecting to my provider? AT&T, imei # and so forth, or will popping in my sim negate that issue?
no reply? meh
you can try to buy a new camera (for i9505) on ebay to fix it,
for the wifi sadly it sounds like a motherboard issue.
basically, if you buy a new mb its like buying a new phone, so make sure the emei is not blacklisted, other than that you will be fine
i think i shorted out my s4 trying to charge battery with stripped wires because charging port would not work,so i took all the parts from another activated s4 with a broken screen which is on my family plan and put them into my s4 which would not even turn on and after replacing innards the phone now turns on everything works but wont activate tried soft and hard reset tried both sim cards. My question is after you swap parts out is there something i have to do to get the phone to think all the parts now inside are the original parts. the only parts in my phone that are original are the circuit boards or what i call chips which would have to be heated and removed which i am not willing to do. please reply everything works except wont activate. is it possible i fried the circut boards out?
Hi, I'm curious exactly where you put the stripped wires?
I understand there are 2 leads above the battery that are to support a wireless charging module/case. Is That where you hooked it up?
What exactly happened? did it smoke or turn off suddenly? Any visible black spots?
Also, very important, the main board (directly above battery bay, rear camera attaches to it) stores the IMEI # which will persist with the physical chip. I assume that's why it won't activate, sprint sees it as a different phone instead of your phone.
This might be ok though, as long as your IMEI is clear for activation. In this case, you just need a IMEI change on your account, and you should be golden.
(If unsure, call sprint and ask for ESN/imei check)
If blacklisted/active, then there are ways of repairing your IMEI. Legality of it is in the grey, but my view is if you own both phones, you can swap the imei's. Just don't sell the unused one, or zero out the meid (Google play won't work with 0'd imei so you'll have to make a phony one instead)
I used CDMA Tool, it took a bit of fiddling but with the proper guide, you should be able to accomplish it. (There's some kind of efs backdoor, and you must always first zero out the imei, then write a new one, never write a current imei to a new valid imei. For some reason it won't work, otherwise. (That was my experience, YMMV)
Last, you can buy the USB board that plugs in for about $6 on eBay. (Bought this today) this one is relatively easy. Unfortunately I found out the home button replacement requires removing the digitizer, using a heat gun. The USB board is one of the first things you see after taking plastic back off (9 screws).
Also, let me know how it works out.
Mvmcad thanks for reply, i put the 2 stripped wires in ]between the battery terminal and the terminls on rear of phone under the case it sparked but no smoke and no black spots, phone just would not turn on anymore untill i swapped all the parts .to get a clearer picture if u pop off your back cover and with the battery in place slide wires in between phone terminals and battery terminals at top of battery. would sprint be able to switch IEMI # over phone ?
Oh I see.. Yes sprint should be able to swap a IMEI over the phonr as long as you can provide the correct account information (they probably will ask for old IMEI as well as new IMEI). Gl!
I am going to get a replacement of motherboard from lg service center for d802 the guy from center told me that imei number will be changed i want know is there any way i can find out whether the replaced mb will be new or used(like from other g2 having screen issue etc.) cause I am getting it under warranty so it is free thats why I am little worried..... thanks
My phone seems to have caught a case of sudden death. There's no response to any hardware buttons, no download mode, nothing. That part I've given up fixing.
Being a smart user(I like to think so), I've got backups of my backups, including my EFS partitions, from TWRP.
I'm going to fix my phone by taking the logic board out of a broken screen phone I buy on eBay, but the seller isn't sure about the ESN status of the phone and hasn't responded to my messages. (seems fishy to me too)
In the event I do buy it and he is a dishonest seller and *illegally* sells me a stolen phone, but disappears off the face of the earth after I buy it so I can't get a refund... His profile has him listed as a top rated seller, but just in case...
Long story short, if I do end up stuck with a bad ESN/IMEI after all this, what would I be able to do to change the IMEI to the old, dead logic board's number? Would it be as simple as reflashing the EFS, or would that cause other problems?
Look guys, I know typically it is illegal to change an IMEI, blah blah, but I've done my research and (in the USA) you can legally do it if you own both devices, and you will never be using the "donor" device again. Seeing as it's broken, it certainly can't be used again.
I've seen some horror stories about data in particular and I can reflash it comfortably, I just need to know if there's any device specific issues with reflashing the EFS like on Samsung devices.
I was buying a secondhand oneplus 6T but the imei on the back of the device was different from the imei in the settings. The dude has also lost the box so also can't match the imei from the box. Does this mean if the device is refurbished or back changed? Also I have seen some pictures on internet of 6T and there is no imei on back of device but the device I was buying had one, how is this possible?
Either he changed with a tool, or the mainboard was changed.
Normally you pull the silver sticker of your device and place it somewhere on your Box, but some people does not it.
Also I dont know if in case of a replacement Mainboard the new IMEI is the same as your old one or if there is a new IMEI on the replacement Board.
mohaimin said:
I was buying a secondhand oneplus 6T but the imei on the back of the device was different from the imei in the settings. The dude has also lost the box so also can't match the imei from the box. Does this mean if the device is refurbished or back changed? Also I have seen some pictures on internet of 6T and there is no imei on back of device but the device I was buying had one, how is this possible?
Click to expand...
Click to collapse
https://forum.xda-developers.com/oneplus-6t/help/imei-phone-t3864930
Is it possible you have a back case replacement? They would not match.