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+# Steps to flash microG LineageOS on Sony Xperia SP
+
+download latest TWRP image from https://dl.twrp.me/huashan/
+
+download latest lineageOS from https://download.lineage.microg.org/huashan/
+
+rename TWRP image to recovery.img
+
+## Unlock the Bootloader / OEM
+
+enable developer options
+
+enable USB debugging in developer options
+
+allow USB debugging access for your PC
+
+unlock bootloader: https://developer.sony.com/develop/open-devices/get-started/unlock-bootloader/how-to-unlock-bootloader/
+
+## Flash TWRP
+
+`adb reboot bootloader`
+
+wait until bootloader mode is active: blue LED 
+
+fastboot flash boot recovery.img
+
+fastboot reboot
+
+## Flash LineageOS
+
+First boot into the recovery mode:
+
+* Either with adb: adb reboot recovery
+* Or with the recovery mode key combination of your device.
+  * Note: this is not the same combination for the download mode.
+
+Then go to Wipe + Advanced Wipe to wipe the following partitions:
+
+* System
+* Data
+* Cache
+* Dalvik
+
+Then go to Advanced/ADB Sideload, swipe to the right, and execute adb sideload lineage-xxx.zip on your computer.
+* When it shows `adb: failed to read command: Success` on the PC, and `Exit code: 1.000000` in TWRP, it has suceeded.
+
+Reboot to start LineageOS!
+