More often than not, you will need to wipe, factory reset or format your Xiaomi Mi 4s when you forget the password, pattern lock or any other security barriers you may have set on your Mi 4s to prevent unauthorised third-party access to your device.
It may also be necessary that you format, factory reset or wipe your Xiaomi Mi 4s especially, when you notice a sudden change in your Xiaomi Mi 4s performances in terms of its speed or level of applications deficiency.
Here, I discuss the step by step procedures involved in wiping, factory reset or formatting your Xiaomi Mi 4s. NOTE: I- the methods discussed herein will erase all the data on your Xiaomi Mi 4s, therefore, if need be, you should backup every necessary data on your Xiaomi Mi 4s before you proceed. II- Your Xiaomi Mi 4s may also end up getting stuck at FRP. FRP Lock which is an acronym for Factory Reset Protcetion is a security meansure that restricts access to your android device following a factory reset, hard reset or wipe.
How to Factory Reset your Xiaomi Mi 4s
1. Power off your Xiaomi Mi 4s. You may do this by pressing and holding the Power Button. If the battery can be removed by you, then; that's your best means.
2. Now, press and hold Volume Up (+) and Power Button for few seconds or until Xiaomi logo appears on your Mi 4s screen.
3. As soon as Mi Logo appears on your Mi 4s screen, release both keys that were held down in Step 2 above.
4. Using Volume Keys to navigate, select ENGLISH (or, your prefered language) and use Power Key to make your selection.
5. Scroll to Wipe Reset and select it. Confirm your selection.
6. Scroll down to select Wipe All Data.
7. Now, confirm the whole process by scrolling to YES and select it.
8. You may now wait patiently for your Xiaomi Mi 4s to initialize and complete the Factory Reset/Data Wipe Operation.
NOTE:
1. At the Step 3, you may release ONLY the POWER KEY and continue pressing the VOLUME UP (+) KEY until Xiaomi Mi recovery screen shows up.
How to Format (Wipe) your Xiaomi Mi 4s: Method 2
1. If your Xiaomi Mi 4s is Switched off, begin by Switching On the phone.
2. From your Xiaomi Mi 4s go to Settings > Backup & Reset.
3. Tap Factory Data Reset then, select Reset Device.
4. Choose Erase Everything. Be sure that all the data on your Xiaomi Mi 4s will be erased/formatted following this step.
5. Select OK to confirm the whole process.
6. Now, wait patiently while your Xiaomi Mi 4s initializes and performs the Data Wipe (Factory Reset) operation until it is completed.
When the whole process is complete, your Xiaomi Mi 4s will be rebooted hence, your Xiaomi Mi 4s has been reseted to factory defaults settings and you are now welcomed by the brand new Mi 4s.
If after wiping or formating your Mi 4s, you still encounter issues or find yourself at FRP Lock screen, you could use these tutorials to help yourself out.
