Power off the phone, Disconnect and reconnect the battery(if possible), Hold the VOL DOWN or VOL UP+DOWN and connect USB cable
Scanning Download port(30 s)... Done.
Detected SPRD U2S Diag (COM15)
Connection status: EHCI:HUB:HUB:USB 1.16 Low-Speed
USB Driver: [DriverCoding Corporation] sprdvcom, version: 2.0.0.131, date: 3-4-2015
Boot id: SPRD3
Sending FDL ... Done.
Boot version: Spreadtrum Boot Block version 1.1
Change baudrate to 460800 ... Done.
Sending NAND_FDL ... Done.
platform: sc8830, cpu abi: armeabi-v7a
manufacturer: SPA Condor Electronics
board: zsl866_an, name: SP530
brand: Condor, model: Griffe T2
build id: NRD90M, version: 7.0 Nougat (NRD90M release-keys)
build description: zsl866_condor-user 7.0 NRD90M 5988 release-keys
Clear FRP Lock... Done.
