Coolpad ivvi Xiaogu Pro SK3-01

Change language from Chinese to English.

• Open Android settings.
• Select menu with icon “A”.
• Select menu at top to find option to change to language to English.

Android recovery mode

Charge battery and power off device.

To enter Android recovery mode press and hold down volume down button and keep holding it. Then press and hold the power button as well for a few seconds. Let both buttons go when Android mascot on its back appears on screen.

Translated info on screen is finally something as following:

Android Recovery <3e>
4.4.059.P0.170320.SK3-01

Android system self-recovery tool

Restart the system immediately
ADB update upgrade package
Format data partition
Format cache partition
Update upgrade package from SD card

No command.

Use volume up and down button to select option and press power button to load it.

Update failure

Update fails with translated info on recovery mode screen something as following:

New version
4.4.060.P0.170519.SK3-01
Date 2017-05-18 00:00
Format cache partition Update upgrade package from SD card
Error!
Looking for an update package.
Opening update package validating update package installing update package.
E:Error in /data/data/com.redstone.ota.ui/files/5538.zip
(Status 7)
Installation failed

Android bootloader/fastboot mode

Charge battery and power off device.

To enter Android bootloader/fastboot mode press and hold down volume up button and keep holding it. Then press and hold the power button as well for a few seconds. Let both buttons go when a few lines Chinese text appears on screen.

Translated info on screen is finally something as following:

Important note

Downloading and installing a non-Coolpad official system may cause major failures to the device or bring privacy and security risks, and you will no longer enjoy the free Coolpad after-sales service. Subsequent after-sales services will be charged according to regulations.

If you still want to download the unofficial system, please press the volume up key, otherwise press the volume down key to cancel the operation.

Use volume up and down button to select option.

Issues

• Default system firmware has Chinese apps and misses Google Play Store.
• No alternative system firmware found yet.