Move the new update.app to the dload folder. then you can extract the second file (update_data_Xxxxx) from above and.Of all, delete the earlier moved update.app from the dload folder In case if you have the Data File and you want to flash it, then, first.When the progress bar stop, the phone will restart automatically.Wait until the installation process completes.Now you will see a screen which shows the installation process.Now select the Update.app that you moved to SD Card (root directory).>ProjectMenu->Software Upgrade->SDCard Upgrade->OK, Now on your phone, Open the dialer and call ->enter: *#*#2846579#*#*.Copy the entire dload folder (with UPDATE.APP in it) to the root.Recommended: Format the Micro SD card (This operation is optional).First of all, Download the Update Package.Where has data file comes with data files from Huawei? Share two zip file, Update.zip package always comes with the main update.app UPDATE.APP to do upgrade operation on your SD Card. Before flashing, you should unzip the SDupdate_, and get out.Some important information, you should backup them before the Upgrade operations may erase all your user data.That the power of the battery is more than 40%. Make sure you have enough battery to run the upgrade process.Power, Hp, Sandisk, Kingstone, or Kingmax. Recommended that The Micro SD card is made by ADATA, Silicon A Micro SD card of 8GB or more should be available.You need MicroSD Card or internal memory space to try any Huawei Stock ROM.On Huawei P20 Pro CLT-L09 Pre-Requisite : The update package will be deleted automatically after the update is complete.įull Guide on How to Install Stock Firmware If you encounter any issues during the update, please call the Huawei customer service hotline or visit a Huawei customer service center for assistance.ģ. This update will not erase your personal data, but we recommend that you back up any important data before updating.Ģ. Integrates security patches released in July 2021 for improved system security.įor more information on the security of Huawei EMUI system updates, please visit the official Huawei website: 1. This update improves system security with security patches.
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