If the special method is invalid, please contact ASC.ġ. If the mobile phone cannot be powered on, please operate with special method. Do not modify the file name and extension.ĭ) Check whether the battery power is enough (At least 2 cells), otherwise please charge the mobile phone until the battery power is enough.Ģ) Do not do other operations and do not take out battery by force during downloading.ģ) The SD card upgrading process of GEEK will take 1-2 minutes, if the mobile phone cannot automatically reboot after 2 minutes, please upgrade the mobile phone again. Otherwise it may cause downloading failure Ĭ) Take out SIM card and check whether update.zip of SD card is in accordance with to be upgraded mobile phone. Please use ZTE handset support website provided version to download software, moreover, SD card upgrade only allows upgrade between the same version and from low version to high version.Ī) Please back up all user data of mobile phone, including Phonebook, Messages and so on ī) Please make sure the mobile phone can be normally powered on. The software version and pictures in this document are just for reference only.
