Oppo F1s a1601 Flash Tool,flash tool,firmware and all the drivers available here that you can
download directly via MediaFire,OPPO ADV TOOL Download.
How To Flash Oppo f1s 1601
1.Download oppo f1s a1601 flash file
2.Extract Flash File
3.Install the usb driver (skip if drivers are already installed)
4.Now Keep oppo adv tool oppo f1s folder
5.Now open oppo adv tool
6.Select oppo f1s flash file
7.Click Start All
8.Wait and Flash Done.
Download oppo F1s Flash Tool