How To Installing The Official OTA Update Firmware On Android Devices Using Stock Recovery

Please be sure you have a backup for update just in case anything goes wrong somewhere somewhat. Also, feedback is highly welcome on this post! How To Unbrick / Repair Firmware Android Devices  –>Read Here

Methods 1 : Apply Update From SD-Card

1. Download the Stock Rom (OTA update / T-Card Update) and save to  the root storage of your SD Card
2. Switch off your android devices
3. Switch it on by pressing the Power button and the Volume Up button (You will go into the recovery mode) and you will see the android logo and warning signal 
4. Press the power buttons again one at a time and it will be boot into recovery mode now. use the Volume Down button to navigate and click on the option with the power button if you sure to installing the firmware
5. Select Apply Update from SDCard option
6. Select your firmware update
7. Wait until the prosses is complete and reboot now, done.

Methods 2 : Apply Update From Adb

1. Download and Extract ADB+Fastboot tool .zip to your PC → Download ADB_FASTBOOT_tool.zip
2. Download the Stock Rom (OTA update / T-Card Update) and save to  the  ADB+Fastboot tool Folder and rename to update.zip
3. Download and install ADB+Fastboot driver of your PC → Download Universal ADB/Fastboot Driver
4. at your Android devices (Phone/Tablet), Switch off  now your android devices
5. Switch it on by pressing the Power button and the Volume Up button (You will go into the recovery mode) and you will see the android logo and warning signal. Note : For some devices will go into droidboot/Fastboot/bootloader  first and next selecting recovery option.
6. Press the power buttons again one at a time and it will be boot into recovery mode now. use the Volume Down button to navigate and click on the option with the power button if you sure to installing the firmware
7. Select Apply Update from ADB option
8. Connect your Android devices to the Computer now by USB cable
9. at your computer, Open to ADB+Fastboot tool Folder and press key SHIFT+Right Click and select “Open Command prompt”
10. type

    adb sideload update.zip

11. Wait until the prosses is complete and reboot your android devices. done

Enjoy it.