How to Easily Master Format VIVO Y21 with Safety Hard Reset?

Tips and tricks to fix VIVO Y21 problems. Tis phone has dual simcard slot that work without 5G connections. But we still can use 4G LTE for broadband Internet access. The processor base by 64 bit Mediatek MT6765 Helio P35. Although we can not play high end games, but we still can run several light gaming applications because it is supported by PowerVR GE8320.

Front body is full screen 6.51 inches HD resolution. Back side body is plastic. There are small notch drop for 8 megapixel front camera. We will give some information and solutions for solve software or hardware troubles of VIVO Y21 at www.hard-reset.org community.

What is Advantage of VIVO Y21 PRO Specifications and Features:

GSM 3G HSDPA Dual SIM Card GSM+GSM
4G LTE
LCD 6.51 inches FHD
Internal memory 64 GB or 128 GB
RAM 4 GB
Main Camera Dual 13 MP f/2.2 + 2 MP f/2.4
Main Camera features phase detection autofocus, LED flash
Front camera 8 MP for selfie photography and video
Processor Octa-core 4×2.35 GHz Cortex-A53 & 4×1.8 GHz Cortex-A53
GPU PowerVR GE8320
Operating system Android 11
Battery Li-Po 5000 mAh

How to Fix or Problem Solving for Recovery VIVO Y21 PRO hang or not responding or malfunctions or stuck or freezing or bricked ?

VIVO Y21 use 64 GB or 128 GB internal storage. We can use MicroSDXC for extend our storage with dedicated external memory slot. There are some applications that we can choose to download from Google Play Store. But we have to be careful before download new or not famous apps. Why?

Because there are some bad developers that create fake games or fake security apps, but they may contain some viruses or malware or keylogger that can make some troubles if installed on our VIVO Y21 such as become slowly or lagging or hang or stuck or bricks or LCD touch screen not responding. This bad applications will not get Verified by Play Protect information when we are on downloading process. Please read many user reviews.

How to fix this problems? We have to clean temporary files and caches from phone storage by performing soft reset or reboot or restart. When our phone finish restart, then please install recommended antivirus like NORTON or AVAST. This antivirus will scan all installed applications and give safe Setting recommendation options inside VIVO Y21 PRO.

When this phone still get same problems, we need to do hard reset or master format to make it back to factory default. This process will remove all installed applications and data. Hard reset will erase or remove all Google account from this phone. We suggest only install recommended apps and do not install any unknown APK files.

How to Force Shutdown or Force Soft Reset or Reboot or Restart VIVO Y21 PRO ?

This phone run with 4 GB RAM. The installed applications may crash or corrupt, that can make VIVO Y21 PRO get some troubles like become hang or LCD touch screen not responsive. We need to do soft reset or reboot to clean up temporary files and caches.

Please Press and Hold Power Button for several seconds until this phone turn off by itself. Then we can try to turn it on again. Usually this phone will work normally after restart.

We can force to clean temporary files and caches when this phone still work properly. How to do that? Press and hold Power Button until pop-up menu appear, then choose Reboot / Shutdown / Power Off menu.

How to backup data or Contact at VIVO Y21 PRO ?

MicroSD / MicroSDXC can be use for backup all important data, photos videos from internal memory. Please choose all important file using Android file manager, copy from internal memory and paste to external memory all important files.

We can use USB data cable for backup all data to PC using File Manager at computer. If our VIVO Y21 PRO has already signed in with Google account, by default our contact will be synchronize in the background to Google server. Please make sure we check all contact at Google contact server using Internet browse to make sure backup is done.

Please note: These options bellow may not work for some devices because of firmware update version or hardware troubles or some other possibilities.

#Option 1, Hard Reset VIVO Y21 PRO with software menu

Turn on the VIVO Y21 PRO
It is very important to make sure battery capacity more then 50% or better fully charge
If we still can access file manager or other applications, the please backup all data or photos/videos at VIVO Y21 PRO because all data and applications will be erase or delete
Go to Menu : Setting > More Setting > Backup and Reset > Erase all data
Give check-mark : Erase Phone Storage if we want to clean / wipe all data
Choose : Erase everything
The VIVO Y21 PRO will do the hard reset or master format to factory default process.

#Option 2, Hard Reset VIVO Y21 PRO with Hardware Button Key to Recovery Mode

Turn Off VIVO Y21 PRO
It is very important to make sure the battery is fully charge
Press and hold POWER BUTTON + VOLUME UP BUTTON key until Fastboot menu appear
Release all POWER BUTTON & VOLUME UP Button
Choose Recovery Mode using VOLUME BUTTON and Press POWER BUTTON for Ok.
Choose Clear Data button, and continue choose Clear all data and wait until wiping data finish
At some version you can try to choose Wipe Data or Clear Data option by tap the menu or using VOLUME BUTTON to go up and down at menu and press POWER Button to Ok or Confirm or Choose. It will wipe all data to finish the Hard Reset or Master Format Steps
Wait until the Use VIVO Y21 PRO finish the process and the phone will start again like new

How to Unlock or Fix or Bypass or Solutions for VIVO Y21 PRO forgot password code or security lock screen pattern or pin (lost password)?

They are some important files and photos videos that we can have inside VIVO Y21 internal memory. We have to make sure all data are secure from unauthorized people when VIVO Y21 away from us or stolen or lost.

We can use fingerprint or facial recognizing to secure our data, including photos videos that takne from dual camera 13 megapixel for wide and 2 megapixel for macro. We need to choose secondary protection like password or pin or screen lock pattern. Why?

Because when VIVO Y21 reboot or restart, the fingerprint or face detection can not work. We need to unlock using secondary protection. However, the problems will start happen when we can not unlock this phone or forgot security answer or pattern or fingerprint sensor can not open with our finger hand. What should we do?

We have to force hard reset or reformat VIVO Y21 PRO when we forgot security protections. Please use #option 2 above to do hard reset using hardware button combination key.

VIVO Y21 PRO use latest Android version that already have FRP (factory reset protection) feature. This is important to protect our phone when lost. We have to confirm the ownership by verified using previous Google account username and password when we re-setup again like new.

Is That Any Secret Code for Doing Format VIVO Y21 PRO ?

There is no secret hidden code for VIVO Y21 PRO to make it back to factory default. Do the options above to hard reset it.

How to Format or Erase Phone Memory at VIVO Y21 PRO ?

If we want to remove or erase all data inside VIVO Y21 PRO storage, the easiest way is by performing hard reset whether using #option 1 or #option 2 above. When we do #option 1 process, we need to choose check box options to Erase Internal SD / Internal Storage data.

How to Make Battery of VIVO Y21 PRO Stronger, Life Longer and Not Fast to Drain?

Having big battery is very important for running our smartphone. This phone already use 5000 mAh big battery capacity with fast charging 18W technology. However, if we still want to make VIVO Y21 battery work more longer, please do some adjustment like make LCD screen brightness as low as possible and disable all not use connections like GPS or Bluetooth or Wifi. NFC is not available on VIVO Y21.

More FAQ of VIVO Y21 PRO:

How to Hard Reset Vivo Camera and Music ?

They are different procedures, but we will try to give one by one. To Reset VIVO camera setting, we have to open Main Camera Applications, then find menu Setting or Icon Setting, and find Restore Default Setting. For reset music, actually it is depend on what kind of apps to hear the music.
How To Remove or Bypass Forgotten Pattern or Password or Passcode at VIVO Y21 PRO (Reformat Without Password) ?

We always recommended to give security for anyone for secure data, but the problems comes when you can not unlock this phone. Please try to do hard reset using hardware button combination key like steps at #option 2 above. This process will reformat your VIVO Y21 PRO operating system to factory default for remove security password or pattern protection. After finish hard reset, you should try to make sure this phone is belong to you by sign-in with Previous Google Account account for security protections.