How long am I going to wait ?
The waiting time for receiving an unlock code for Acer phones starts from 24 minutes to 48 hours.
Acer Chromebook Tab 10
Unlocking instruction for Acer Chromebook Tab 10 ?
How to enter an unlock code in an Acer Chromebook Tab 10:
1. Turn on Acer Chromebook Tab 10 with an unaccepted sim card inserted (from a different network)
2. enter the unlock code provided by sim-unlock.net
Your Acer Chromebook Tab 10 is now unlocked.