If you get unknown IMEI on Android phone you can try to set IMEI manually using phone engineering menu.
Before to start you should prepare IMEI numbers by taking them from case of your device where they should be written. THey can be under battery, so you should haVE THEM BEFORE TO TRY TO SET THEM
To enter engineering/servicing menu you must open phone dial pad screen and to type there special code that opens engineering menu.
For example type *#*#3646633#*#*
After typing the code, if it is correct for your device, engineering menu will appear.
You don't need to press dial after entering the code. If nothing happens, then you have entered code incorrectly or your phone need other code, so at first clear screen and type code again.
After entering engineering menu, go to Connectivity, then go to CDS Information, and then go to Radio Information. Then go to Phone 1. This will open Radio information screen.
If instead IMEI number you see unknown
then you should set IMEI number manually.
At the top of Radio information screen you can see AT+ and blinking cursor. Here you need to type following command:
for IMEI 1: AT +EGMR=1,7,"enter your IMEI_1 number here"
for IMEI 2: AT +EGMR=1,10,"enter your IMEI_2 number here"
Your IMEI number is written on your device and you should get it from there and type it between quotes.
If you start typing in field with AT command and then press backspace you will see commands that you can use, but you should use quotes supplied and also you should make sure that after AT and before + sign there is space, or you will get error that command can't be run in user build
IMEI set in this way will stay there as long as you perform factory reset, so after each factory reset you should set them again or your phone will not be able to connect to your mobile operator network, and to make and receive calls. |
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