IMEI number lost

[nasirshabir]

While Using phone Acro S  on February 28, 2014, i received an software update messege. After updation and SIM Card validtion failed.

When I got checked by local shop, i was surprised to knew that phone has lost IMEI number. I tried different steps as below but unable to get back phone IMEI number;

Soft Reset (through menu0

Hard Reset (through keys)

Reinstallation of Software

Everybody is saying it is a dead set now. Can be used only as multimedia / WIfi connectivity device.

Any one has any sort of solution including Sony company please help me out.  

[_alexdon_]

I suggest you visit a nearby sony centre for further assistance:

http://www.sonymobile.com/global-en/support/contact-us/

[Thommo]

The only time I have seen this on Sony devices is when they have tried to flash modified firmware - As recently as the Z1 however a manual flash using Flashtools has fixed this issue

[Rayshao]

No need to waite the reply,there is no one can reply to you.Because they don't know,and also don't want to know how.Your device is dead,was killed by SONY

[a-young]

the same thing happend to my acro s in January. i had bought mine from China thus it did not have google services. i upgraded it to Jelly bean and lost my IMEI and Baseband in the process. i thought it was a small issue but i later found out that it was indeed a big one.i downloaded various ftf files and tried flashing the phone but all did not work.THE ONLY SOLUTION IS TO FLASH BACK THE ORIGINAL FIRMWARE, THE STOCK ROM....unfortunately mine is not available on the internet. so im stuck with a media player and SONY services on this page dont even bother to respond to ou problems, they just sit there reading our problems and dont even bother to help us. I suggest we move to HTC or SAMSUNG where there are no issues like these

[rasek]

Hi everyone. Anyone found a solution to this problem? I have the same problem =/