Sony XPERIA XA1 Ultra is interesting smartphone from Sony Mobile with really big screen. It has quality FullHD 6 inch display, powerfull Mediatek octacore CPU, 3 GB RAM and good camera. Sony XPERIA XA1 Ultra come with Android 7.0 Nougat from factory and will receive Android Oreo. Below you can find the latest firmware for the phone.
First of all one important thing – before you start to do anything with your phone, do the backup of your personal data. It is only for your safety in case that something goes wrong or any mistake happens. In that case you can use the backup to restore the data and try to do everything once again. Each tutorial has been done many times to verify its propriety, so just read carefully all instructions and continue step by step. The major part of every file has been created by myself and every file has been tested on the corresponding phone. All referenced files are determined for Sony XPERIA XA1 Ultra G3221.
How to install Android 7 for Sony XPERIA XA1 Ultra
a) download and install latest Flashtool
b) download Android 7 for Sony XPERIA XA1 Ultra (42.0.A.4.167)
c) open the XPERIA Flashtool, click on flash and choose downloaded firmware, than click ok. Important – if you do not want to delete any data of your phone, just uncheck flashing userdata.sin file. All data will remain in your phone, but sometimes it can cause additional troubles. So it is better (and I recommend that) to do the backup of your personal data, than proceed with clean instalation and then restore your personal data.
d) turn off your phone and when Flashtool shows pop up window, connect phone to PC with holding volume down button
e) if your smartphone is not recognized by Flashtool, you need to download this package and copy it to Flashtool/Device folder