HUAWEI ALE-L21 android6.0 rollback to android5.0 operation instruction v1.2, Huawei P8 Lite
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//-->HUAWEIALE-L21 EMUI4.0+Android6.0 rollback toEMUI3.1+Android 5.0Operation instructionHuawei Technologies Co., Ltd.All rights reserved2015-11-28All Rights ReservedPage 1 of 5The instruction guides user to roll back fromAndroid6.0toAndroid 5.01) Roll back operation includestwice SD card update，onlythrough transition packageALE-L21C900B500,like below：Android6.0+EMUI4.0Transition packageAndroid5.0+EMUI3.12) Allow roll back to Huawei official stable release.1 Rollback precaution1.1Precaution 1ALE-L21C900B500version is rollback transition package, must not be used as a normalversion.Make sure rollback using the phone with Huawei official software version, and that has NOTbeen upgraded using other unofficial software version, otherwise rollback will NOT succeed andmay cause unknown issues.1.2Precaution2The rollback will erase user data, so before rollback please backup your important data andapplications.And please ensure the battery level is greater than 30%, the left storage should be morethan 2G.2 Rollback from Android 6.0 version to transition package2.1 Download transition package ALE-L21C900B500Copy the file named “UPDATE.APP” to the folder named “dload”, and the folder should be inthe root directory.2015-11-28All Rights ReservedPage 2 of 52.2 Confirm transition packageGo into “Files”, then Local->SD card->dload, make sure UPDATE.APP is under dloaddirectory.2.3 Rollback operationPower offthe phone, and then press theVolume+, Volume-, and Powerbutton at the sametime, the phone will enter to the forced upgrade way. Please hold a while until the upgrade processcomplete.2015-11-28All Rights ReservedPage 3 of 52.4 Confirm software versionPlease power on to check the version whether the upgrade is completed, go intoSettings->About phone->Custom version, The Build number Version of Custom Version number isALE-L21C900B500.3 Rollback from transition package to Android 5.0version3.1Download Android5.0 version upgrade packageCopy the file named “UPDATE.APP” of Android 5.0 version to the folder named “dload”, andthe folder should be in the root directory.Notes:delete the UPDATE.APP of the 1st update before this step.3.2Confirm upgrade packageGo into “File Manager”, then Local->SD card->dload, make sure UPDATE.APP is under dloaddirectory.3.3Rollback operation (same as chapter 2.3)Follow this step to upgrade, power off, and then press the button volume+, volume-,and power atthe same time.3.4Confirm software version (like chapter 2.4)Please power on to check the version whether the upgrade is completed, go intoSettings->About phone->Build number, The correct build number should be the Android 5.0version number.2015-11-28All Rights ReservedPage 4 of 5Android5.0 SW version:Android6.0 SW version:Roll back package: ALE-L21C900B3002015-11-28All Rights ReservedPage 5 of 5 [ Pobierz całość w formacie PDF ]
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//-->HUAWEIALE-L21 EMUI4.0+Android6.0 rollback toEMUI3.1+Android 5.0Operation instructionHuawei Technologies Co., Ltd.All rights reserved2015-11-28All Rights ReservedPage 1 of 5The instruction guides user to roll back fromAndroid6.0toAndroid 5.01) Roll back operation includestwice SD card update，onlythrough transition packageALE-L21C900B500,like below：Android6.0+EMUI4.0Transition packageAndroid5.0+EMUI3.12) Allow roll back to Huawei official stable release.1 Rollback precaution1.1Precaution 1ALE-L21C900B500version is rollback transition package, must not be used as a normalversion.Make sure rollback using the phone with Huawei official software version, and that has NOTbeen upgraded using other unofficial software version, otherwise rollback will NOT succeed andmay cause unknown issues.1.2Precaution2The rollback will erase user data, so before rollback please backup your important data andapplications.And please ensure the battery level is greater than 30%, the left storage should be morethan 2G.2 Rollback from Android 6.0 version to transition package2.1 Download transition package ALE-L21C900B500Copy the file named “UPDATE.APP” to the folder named “dload”, and the folder should be inthe root directory.2015-11-28All Rights ReservedPage 2 of 52.2 Confirm transition packageGo into “Files”, then Local->SD card->dload, make sure UPDATE.APP is under dloaddirectory.2.3 Rollback operationPower offthe phone, and then press theVolume+, Volume-, and Powerbutton at the sametime, the phone will enter to the forced upgrade way. Please hold a while until the upgrade processcomplete.2015-11-28All Rights ReservedPage 3 of 52.4 Confirm software versionPlease power on to check the version whether the upgrade is completed, go intoSettings->About phone->Custom version, The Build number Version of Custom Version number isALE-L21C900B500.3 Rollback from transition package to Android 5.0version3.1Download Android5.0 version upgrade packageCopy the file named “UPDATE.APP” of Android 5.0 version to the folder named “dload”, andthe folder should be in the root directory.Notes:delete the UPDATE.APP of the 1st update before this step.3.2Confirm upgrade packageGo into “File Manager”, then Local->SD card->dload, make sure UPDATE.APP is under dloaddirectory.3.3Rollback operation (same as chapter 2.3)Follow this step to upgrade, power off, and then press the button volume+, volume-,and power atthe same time.3.4Confirm software version (like chapter 2.4)Please power on to check the version whether the upgrade is completed, go intoSettings->About phone->Build number, The correct build number should be the Android 5.0version number.2015-11-28All Rights ReservedPage 4 of 5Android5.0 SW version:Android6.0 SW version:Roll back package: ALE-L21C900B3002015-11-28All Rights ReservedPage 5 of 5 [ Pobierz całość w formacie PDF ]