1. Prepare a microSD card.
2. Download the firmware
3. Create a directory at the root of the microSD card] [dload folder.
4. The software upgrade package “UPDATE.APP” copy to microSD card] [dload folder.
Sdcard/dload/….
5. Insert the microSD card into the phone.
Software Upgrade
• Before upgrading the software, check the battery, make sure the battery is more than 20%.
* Picture for reference only, because the product or software version differences, the interface may be slightly different.
Tips: To avoid losing data, it is recommended to back up data before upgrading to a microSD card. By setting menu upgrade
1. On the Home screen, click [Settings]> [phone upgrade]> [System Software Update].
2. Click the [local] Upgrade > [OK] > [upgrade].
3. Click the [Backup data], back up data to microSD card. If you do not back up your data, ignore this step, click on [OK].
4. Click
[upgrade]. The phone will restart, and then enter the upgrade
interface, start the upgrade software. The upgrade process takes about 3
minutes. The
upgrade process, do not remove the battery, do not remove the microSD
card. We recommend that you do not do anything, just wait.
