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Locked vs. Unlocked for OS Updates
I received an AT&T variant of the One M9 directly from HTC. Since it has the AT&T logo on the back and lists AT&T as the carrier in the "About Phone" section of settings menu, I assume that to mean it's "locked". I noticed that HTC One M8 and M9 unlocked devices will receive Android 6.0 before th
HTC One M9 no longer receiving mms
Help! Suddenly my phone will not receive group messages or pictures. I can still send and everything else woks. All settings are correct. Is this something from an update? What setting can I change or uninstall to make this work again? Not getting group mms messages costs me work. Help! Thanks in ad
AT&T released a software update for the HTC One M9 (OPJA110) on July 15, 2015.
HTC One M9 users, AT&T released Android Version 5.1 for OTA download today!To download:Drag down the notification bar with two fingers, and then tap Settings > General.Tap About Phone > AT&T software update.Tap Check for updates.Tap Update Now.Follow the on-screen instructions.Please note: Device
Manually updating HTC ONE M9
Hello, I have an unlocked HTC M9, it is currently sim unlocked. If I update it manually using the 2.2 GB file will my phone still be sim unlocked or will it relock and only accept AT&T sim cards? Thanks in advance
• Phone & Device Upgrades