How To Flash / Install Firmware Lenovo S90 Sisley.

Flash / Install Firmware Lenovo S90 Sisley. (This guide just for Lenovo S90 Sisley) flashtooldownload on this guide will explain to you how to flashing android device on Lenovo S90 Sisley with easy and simple step. Flashing in android is the same way like fresh install on the windows PC, So by perform a flash on Android you will give a new performance like a new phone. One reason that you should perform a flash your android is because your android get bootloop or when you failde to install Stock ROM Mod. 

Do you know what is bootloop, Ok.. now I will explain to you what si bootloop. Some people say that bootloop is a problem that occured on an android system which the android system could not start up going to the homescreen menu. And it's happened is automatically return to the initial state on the first time when you turn on the Lenovo A319. And the device will stop to display on the smartphone logo.

So, If you have any problems on Lenovo S90 Sisley bootloop or accidental Lenovo S90 Sisley is not installed recovery. In this guide I'm not offering recovery twrp or Cwm. CMW is a recovery that already in recovery mode for customization of the device such that the Lenovo S90 Sisley with a variety of additional functions in it such as backup / restore, installations and others that are not contained in the standard recovery mode. Generally, in case of a default recovery bootloop Lenovo S90 Sisley will go missing in case of bootloop. whereas the original recoery can not help when there hardbrick.

Now, follow the isntruction list bellow, do it with your own risk.

Guide Flash Lenovo S90 Sisley.

First time you need is download Official firmware for Lenovo S90 Sisley, 

1. You can download this firmware here.
2. After download finish, you can extract or unzip this file to certain folder.


3. Then, copy this entire folder to the internal memory of your Lenovo S90 Sisley smartphone.
4. Turn off the Lenovo S90 Sisley phone
5. Now, you must enter recovery mode your Lenovo S90 Sisley by Press the power button and the lower volume key and hold it until the Lenovo logo show on the screen, and then lock button can be released.
6. Now your Lenovo S90 Sisley is in the recovery mode.
7. Then select Update from sd-card, navigate to your firmware file
8. Then the process should start flashing your Lenovo S90 Sisley
9. After completing installingin firmware, You can choose the item reboot system now
10. Wait a moment, now your Lenovo S90 Sisley will boot with a new firmware installed.
11. Finish

Change Country code on your Lenovo S90 -A Sisley smartphone.

After you successfully install a new firmware on your Lenovo S90 Sisley smartphone, now you must change contry code for this phone.

1. Go to the dialer (phone number nabiratel) and enter the code —  ####6020#.
   
   
   
2. Then we get to the list of regions that are looking for there own and select it
3. And confirm your selection. All you have changed the region on the phone

Next step is Unlock BootLoader for Lenovo S90 Sisley (ROW / CN)