My IMEI SV is unknown for slot 1. I even did a clean install with MiFlash. I have a backup of EFS partition, as far as I remember when I did the backup, it had a value. Should I restore it?
I used to have this problem with another Redmi3s I installed. Restoring EFS didn´t changed anything. But on the other hand SV unknown doesn´t do anything bad. I had normal data and phone connection.
My R3S has SV85... I think, if you want to restore it you need a .qpst-file.
Is that file the same for the international (2016031) and non-international (2016030) variants? I have the 2/16GB 2016030 variant.
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Hi, 1e thing i did was rooting device and backup efs folder all partition in efs pro
after that i installed phil recovery and make a compleet nandroid backup.
after 2 months playing with customs roms, and the latest was Omega 8, my signal was some times dropping and i'am getting the stopsign.
I find out that when the signal stops, my imei and baseband also disapeard. verry strange. So i tried to recover efs folder but this didn't solve the problem
even when i format efs folder en then restore, the efs folder is filled, but still no joy. also tried standard stockrom
where i made the first efs backup from and i tried nandroid restore, but still nothing.
I think there is nothing to do more and sent it to repair center
Can you try to flash Factory Firmware and see if your imei goes to 00/0.then restore your efs
cz4r3n said:
Can you try to flash Factory Firmware and see if your imei goes to 00/0.then restore your efs
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Click to collapse
i'm going to try that. Thanks :good:
I flashed factory-rom, that didn't work.
Also the service menu won't pop up *#0011# -> menu back -> menu keyinput 1
maybe it's hardware failure
Hello everyone.
Got stock 910C with 5.0.1, today made root and twrp. backed up EFS with terminal emulator (got efs.img) on my sdcard.
Also made EFS backup with twrp.
Flashed custom 5.0.1 rom, right on welcome screen - lots of FCs. Wipes didnt help.
Returned back to backup of stock rom but now EFS got erased. no IMEI and cellular network.
Tried restoring with terminal and twrp - no luck
Can someone advise?
Try to make a software repair with Kies and report back
Dont forget, EFS doesnt contain any IMEI certs or CAL data, so if u clear EFS partition IMEI willl be the same, only SerialNumber will be wiped
exprxp said:
Dont forget, EFS doesnt contain any IMEI certs or CAL data, so if u clear EFS partition IMEI willl be the same, only SerialNumber will be wiped
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Click to collapse
can u clarify please. how can be serial number be wiped?
EFS partition -> SerialNo, Bluetooth, WiFi and password + settings
IMEI certs -> SIM LOCK, Imei number. CAL data
As u can see EFS erasing will never destroy imei number
exprxp said:
EFS partition -> SerialNo, Bluetooth, WiFi and password + settings
IMEI certs -> SIM LOCK, Imei number. CAL data
As u can see EFS erasing will never destroy imei number
Click to expand...
Click to collapse
then why did i lose baseband?
When you tried to backup EFS or root you lost MD5 signature of IMEI parititon. Now its gone. In some cases it can be undone by flashing to STOCK firmware.
Please check the screenshot for correct location of EFS partition and M9K partitions
i did restore my EFS by reinstalling stock 5.0.1 with odin.
Guys i need a help here i flashed official rom for s4 i9500 , and i did efs backup ,,
after finishing flashing i cant get any signal and null/null IMEI .. now how to restore efs folder ??
anyone can help
My guess is your were on lollipop and flashed kitkat.
Flash a lollipop modem and your imei is back.
New Life said:
Guys i need a help here i flashed official rom for s4 i9500 , and i did efs backup ,,
after finishing flashing i cant get any signal and null/null IMEI .. now how to restore efs folder ??
anyone can help
Click to expand...
Click to collapse
If you did a backup then you should be able to restore that backup using the same method. Eg: If you used an app, that app should be able to restore the efs folder.
The problem with the EFS folder on the latest versions of Android is that it doesn't contain the IMEI, last time I checked. The IMEI is now stored in hidden partitions, which is why when it comes to backing up this important stuff I recommend Wanam's EFS Backup tool from the Play Store. Not only does it back up the EFS folder, but also backs up those hidden partitions as well as the modem..
In this instance however, Lennyz1988 I believe has the right answer.
Hi there,
a friend gives me his Samsung S4 GT-I9505 with the Problem of no IMEI and no Sim-Card detected.
I tryed a few things like:
- EFS-Backup and restore
- Wipe everything
- New original Samsung Firmware
- New Custom Firmware
- newest Modem installed (the last in the list) (is it for Germany?)
- Now I installed Lineage, Open Gapps and Supersu, but nothing changes.
Is there a way to make a own file for the Imei or something to flash?
I hope you can help me.
sorry for my english... =(
Sorry, but all your attempts to restore the IMEI have been a waste of your time, including restoring the EFS partition. The IMEI and nv_data files are no longer stored in the EFS partition. They have their own hidden partitions that cannot be backed up with TWRP.
The only legal way to restore the IMEI is to take the device to the service center.
Hello, a friend had IMEI 0 and restored the efs and persist backup from another device and now he can't restore his IMEI, even after flashing lastest pie stock.
Any ideas?
Congratulations!! Flashing another persist and efs backup is the safest way to loose your IMEI.
If there's no backup of it's own (and I guess there isn't) he won't be able to restore his IMEI.
The /persist partition holds a little binary which is unique for each device. It's impossible to recreate it.