A
Android Central Question
Can't seem to update to firmware version N950FXXS4CRG1 (July Security Update)
I've already tried both "wipe cache partition" and factory resetting my phone, then downloading the update, but still I get the "Unable to install update. The download file is invalid" error.
I've already tried both "wipe cache partition" and factory resetting my phone, then downloading the update, but still I get the "Unable to install update. The download file is invalid" error.