The M9 is actually a little smaller than before, despite having the same 5-inch screen as the previous year. In fact, it's an identical screen to the HTC One M8's, with a 1080p Super LCD display HTC One M9 uses a nano SIM card. Use a standard nano SIM card only. Inserting Updating your phone's software. HTC One M9 can check and notify you if there’s a new update available. Updates for some HTC Ringtones, notification sounds, and alarms. Ringtones, notification sounds, and alarms. Recording videos in slow motion. How to hard reset HTC One M9 In order to switch off your device press the Power key for a short while. Press and hold Volume Down + Power button at the sime time for a couple of seconds. Afterwards use the Volume keys to select option "Reboot to Bootloader", and press Power button to confirm. Then How to Recroding Sounds in HTC One M9? I have a guide for you on how to Record Sounds on your Phone. This feature is very useful, for example, a song is playing on the radio that you do not know the title of, or if you would like to Record a conversation from hiding, but why would you do that? How to update / change / repair Firmware in HTC One M9 by RUU mode? In this article we will explain how to repair, change or update the firmware in HTC One M9 in a few simple steps. The whole process will be performed without any specialist tool by using just a computer and a microSD card. Let's download the latest version of HTC drivers by using our free link. Download HTC One M9 Drivers. The HTC USB drivers installation files will be compatible with Android 5.0 Lollipop system and older OS. All HTC One M9 introduced 2015 and powered by Qualcomm Snapdragon 810 MSM8994 will work with those drivers. I have a 32 GB HTC One M9 from Verizon on stock Lollipop Android, and it has been working perfectly until this morning. I woke up to my M9 stuck in a bootloop. It would boot to the HTC logo, stay there for about 10 sec, then go black and constantly restart again (even as I type this). In this article we will explain how to repair, change or update the firmware in HTC One M9+ Supreme Camera in a few simple steps. The whole process will be performed without any specialist tool by using just a computer and a microSD card. aRDyc8.