Check your about tablet screen for a serial. I've heard when some get tablets back from Asus, the serial is all zeros or nonexistent which is required to unlock. No fix is known for this to my knowledge.
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2
Same issue, rma'd for upgrade issue then second rma because I couldn't unlock. Supposedly Mac addresses and serials were not keyed in correctly during this process for others. I still can't unlock, network error like before
With every new version of Android, end users are greeted with dozens of new features, each … more
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