Zenfone 5 Boot loop Solution using ADB Sideload A dual-sim IPS capacitive touch screen Corning Gorilla glass 3 protection equipped with dual-core processor with 2Gb RAM. This solution is for hang-up Zenfone 5 devices using command prompt and ADB server. Download ADB Fastboot Tool. Download the firmware of your handset with exact SDK model for my device is WW. Extract the ADB fastboot tool from adb folder to drive C:. T urn off your device and go to recovery mode by pressing power+ volume up and down until recovery appear then apply upadte from ADB option. Connect the handset with usb cable and open command prompt in the same folder with ADB Fastboot ang firmware in zip. Check connection by typing adb devices, if there is device in list means the connection was successful. Type adb sideload (firmware file).zip then hit enter key. Wait until the update is complete and this process is clean installation. File transfer is completed. Automatically copy...