crwdns2933423:0crwdne2933423:0
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crwdns2934241:0crwdne2934241:0 Joel Lalhriatzuala

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Dial on keypad *#2663#

and press on TSP FW Update and it will resolve back button problem..I searched lots of tips to solve it..i've done lots of solution they told..but this thing rescue me..Cheers

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open