Hi, I updated s2 phone to Jelly Bean my phone is factory unlocked after updating phone now ask for netowk unlock code I am wonder since the phone is not locked to any network. Kindly help me someone has any idea.
Got Zenthink tablet
Model no. ZT280H13a
Tried many firmware with still has the problem.
I format memory card on fat32 file system download the relevant software I did extract the file copy the zt-update into the memory card then put the memory card into tablet restart it hold power...
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