[H]Sim Unlock Successful but no signal from AT&T

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ImSyntax

New member
Mar 7, 2014
1
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i did the 3rd step from the sim unlock tutorial because im from 4.4.2.. so what i did is downgrade the radio and a sense rom of 4.1.2( s-off, bootloader unlocked and rooted) then i did the one with android terminal emulator but after i reboot i still got no signal then i tried the sprint htc one sim unlock helper but still i got no signal.. i will be going to other country and use my htc one internationally.. what should i do? can any one help me? thank you in advance