Samsung Glaxy ACE 2 IMEI Restore

 

Hello guys some time we have a problem in which our cell phone not show any signal, or network. then all time not sim jack problem, some time imei number going to null, or change from the real imei , thats the problem too for no network.

   now i tell you how to fix it:

first you check it the imei number to press *#06# 

this way show imei number, if it is null then you try to this method

then press *#197328640# now show the next menu as show in picture

now select option no 6 which is "commen"

after that select option no1 which is ftm

now see if the ftm setting is on

then you need to off it.

how doing off:

 press the menu button

then key input press the number 2 for off. 

after that remove the batry, sim card, and restart the cell phone

after the restart you need to press *#197328640# again

at this time you select option no 1 which is "debug screen"

after that click "phone control" option 8

then click on option 3 witch is "NAS Control"

then click "RRC(HSDPA)" option 5

now click on "Change RRC Revision" option 2

then click on release 5 "HSDPA only"

now restart the cell phone 

now insert the sim card and again check *#06# at this time it not be null 

so its not null show the real imei number then enjoy it problem solved.... :)

and some time show wrong imei number if held this problem then you need or if upper instructions are not helping or solved your problem then you need to reinstall the software, first you need to find the android software which is on your cell, version like ice cream, sandwich, jelly bean etc , download it and install it on your cell phone this way also you solved this problem.