Here is a Lenovo S1 Stock ROM Firmware which tin plough over notice hold upwards used to charge together with flash stock firmware on whatsoever Lenovo S1 of this exact variant. Any MTK Flash tools tin plough over notice download together with flash this Lenovo S1 flash file on your S1 together with then long equally that MTK Flash Tool supports MTK Scatter File.
Since almost major software malfunctions on whatsoever MTK Android devices tin plough over notice exclusively hold upwards corrected yesteryear flashing, this S1 flash file, if Miniperly used, tin plough over notice unbrick (debrick) your S1 together with also corrects whatsoever software issues your Lenovo S1 may currently have. Also, proceed inwards hear that when you lot charge stock firmware on your Lenovo S1 using whatsoever MTK flash tool, your Lenovo S1 volition hold upwards reset to manufacturing works life defaults settings together with yesteryear that, definately, your UserData volition hold upwards lost including contacts, messages together with others.
Note: If your S1 is already bricked together with you lot desire to unbrick it, you lot volition ask to pay closer attending to the tutorials contained below here.
Lenovo S1 Stock ROM Firmware Download Link(s)
1. Lenovo S1 (A40 S136 150922 ROW) Stock ROM
How to Flash Stock Firmware On Lenovo S1
1. Download your Lenovo S1 stock ROM firmware from the link above.
2. Extract the Lenovo S1 Firmware you lot downloaded from the link higher upwards onto a folder on your PC.
3. Download together with install MTK android device drivers on your PC. You may skip this measuring if you lot convey installed MTK drivers on your PC already otherwise, download MTK drivers here
4. Now, pick out either of the tools listed below hither to charge the stock firmware on your Lenovo S1 .
2. NCK Box
3. Miracle Box
See video tutorial here: How to Flash MTK Android Devices Video Tutorial
Note
1. Each of the tools listed higher upwards contained measuring yesteryear measuring guides amongst illustrated pictures on how to flash stock firmware on your Lenovo S1 .
2. If your device is bricked already, I recommend that you lot exercise NCK Box or SP Flash. Both are the safest toolS for flashing MTK Android devices.
3. If you lot require whatsoever farther assistance, but driblet your comment detailing the issue(s) together with I shall aid you lot revive your Lenovo S1 , if ask be.