HTC One M7 was purchase 3 years ago as FACTORY UNLOCKED it had an Optus sims card installed and worked fine for about 4 months.
It was turned off and kept in a draw for ages un used.
It was again used for 2 weeks about a month ago with no problems. Sold recently and new owner has a Telstra SIM but it will not work and is showing LOCKED.
They have tried 3 other carrier SIM card but none work.
Anyone know the problem ??
It was turned off and kept in a draw for ages un used.
It was again used for 2 weeks about a month ago with no problems. Sold recently and new owner has a Telstra SIM but it will not work and is showing LOCKED.
They have tried 3 other carrier SIM card but none work.
Anyone know the problem ??
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