AT&T just started rolling out Marshmallow based latest firmware for AT&T LG V10 H900. The firmware update carries build number H90021v and users’s with AT&T devices are going to receive the Marshmallow based H90021v firmware anytime soon. LG has officially released the H90021v for AT&T LG V10 H900 and what’s so special about the update is that it carries WiFi calling feature along other improvement and latest security patches, the H90021v update is rolling out via OTA so we recommend you to keep your device ready for the update. If you wish to install the firmware manually but first you need to do some early preparation we mentioned below. We will update the KDZ soon to manually flash the H90021v firmware on AT&T LG V10 H900 using LG Flashtool.
Just follow the below guide so that your devices is always ready to welcome the new update anytime .
How to update H90021v WiFi Calling Enabled firmware on AT&T LG V10 H900
This is the first and preferably the most easiest method to update your AT&T LG V10 H900 to Android 6.0 Marshmallow based H90021v firmware. All you need is just your device to download the firmware file if available and then the phone will ask you to install the updates now or later. Your device must be stock un-rooted condition because rooted device will not able to receive the OTA updates then you have to un-root your device or you have to wait till the manual update process is started. To check whether your device is eligible for H90021v OTA Firmware update, unlock your device & navigate to
Settings >> About device >> Software update >> Check for updates
This will require a working internet connection to connect to the LG servers. You will receive a notification about the latest firmware availability click install to flash the firmware or tap install later to flash later. Just flash the latest Marshmallow based H90021v firmware on your AT&T LG V10 H900 and enjoy the goodies of latest firmware.
That’s it! Stay tune for more updates or if you feel any type of difficulty during the update process, please let us know by posting your queries in the below comment box. Follow us on Facebook/Twitter/Google+ for future update.