How to Use the SD card to upgrade xt788
1. Check the current version number before your mobile phone
Open the "Main Menu", select "Settings", select "about mobile phone", and view "version number" to confirm the current mobile phone number.
Version. If your mobile phone is a machine sold by Motorola, the software version should be:
Irpmct_ B _02.60.00rpd;
Irpmct_ B _02.64.00rpd;
This upgrade is only applicable to the above versions of mobile phone software. If your mobile phone software is already irpmct_ B _02.74.00rpd,
You do not need to upgrade.
2. upgrade software
• If the current version is irpmct_ B _02.60.00rpd, download and upgrade the software.
Download: Blur_Version.2.60.0-2.74.0.XT788.ChinaTelecom.en.CN.zip
Tornado download: http://urlxf.qq.com /? U6bfavz
• If the current version is irpmct_ B _02.64.00rpd, download and upgrade the software.
Download: Blur_Version.2.64.0-2.74.0.XT788.ChinaTelecom.en.CN.zip
Tornado download: http://urlxf.qq.com /? Nzjvfam
After downloading the ZIP file to your computer, insert the external SD card into your mobile phone and connect it through MTP or large storage mode.
After the download, copy the downloaded ZIP file from the computer to the SD card of the mobile phone or flash memory of the mobile phone (depending on the mobile phone
If the mobile phone's primary storage is an SD card, it is copied to the SD card. If the mobile phone's primary storage is a mobile phone flash memory, it is copied
In the flash memory of the mobile phone, the default primary storage of the mobile phone is the flash memory of the mobile phone), unplug the USB data cable and go to the main menu of the mobile phone,
Choose file management, enter the mobile phone flash memory or SD card, and rename the update package
Blur_version.2.74.0.xt788.chinatelecom.en.cn.zip.
2. Choose Settings> about mobile phone> system update. Check whether updates are available. After the version is checked, click Copy in the
Update Available prompt box, and then click Install now in the installation prompt box.
(in the update available prompt box, "the available space for installing updates is insufficient. Please release some disk space" only prompts
User: when the available space for installing updates is insufficient, you need to release some space. If the disk space is sufficient, the system
continues normal installation. If the disk space is insufficient, an "error" message is displayed. "Some flavor" is meaningless
. In the "Install update" prompt box, "Install now" should be "Install now")