: After flashing, the phone shows a triangle with an exclamation mark, and the system cannot boot.
Monitor the progress bar in Flash Tool. Do not disconnect the cable under any circumstances. sony g3311 lock remove ftf link
Select and Fastboot Drivers from the checklist, then click install. Step 2: Download the Official FTF File via XperiFirm Open the Flash Tool application on your computer. : After flashing, the phone shows a triangle