Tips and tricks to fix VIVO Y12S 2021 problems. This phone is release at 2021 that use V2069 as product models code. We can not use 5G connection because this phone use 4G processor Qualcomm SDM439 Snapdragon 439 together with dedicated GPU (graphic processor unit) Adreno 505 for fast graphic rendering. This phone use Android 11 as factory default operating system with Funtouch 11 Vivo user interface.

This phone has dual rear camera and single front camera that located at small notch drop. The screen use 6.51 inches HD resolution at 720 x 1600 pixels. Some users get issues when using VIVO Y12S 2021 software or hardware. Therefore we will try to give more solutions, review and information about how to solve VIVO Y12S 2021 (V2069) troubles at community.


What is Advantage of VIVO Y12S 2021 Specifications and Features:

  • 4G LTE
  • LCD 6.51 inches FHD
  • Internal memory 32 GB
  • RAM 3 GB
  • Main Camera Triple 48 MP f/1.8 + 2 MP f/2.4 + 2 MP f/2.4
  • Main Camera features phase detection autofocus, LED flash
  • Front camera 16 MP for selfie photography and video
  • Processor Octa-core 4×1.95 GHz Cortex-A53 & 4×1.45 GHz Cortex A53
  • GPU Adreno 505
  • Operating system Android 11
  • Battery Li-Po 5000 mAh



How to Fix or Problem Solving for Recovery VIVO Y12S 2021 hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone work with Octa Core CPU Qualcomm SDM439 Snapdragon 439 that use 32 GB internal storage. Because the internal memory is limited, we suggest to install only daily use applications that we can choose from Google Play Store.

However, please also read many user reviews before download any applications, because some apps may contain viruses or malware that can make troubles on our VIVO Y12S 2021 (V2069) such as hang or become slowly or stuck or bricks or LCD touch screen not responding. Usually it will not get Verified by Play Protect information when we are on downloading process. How to fix it?

We have to try force soft reset or reboot to clean temporary files and caches. After our VIVO Y12S 2021 can start boot again then please install one good antivirus like NORTON or AVAST, it will scan all installed apps and give recommendation setting for safety use.

If the problems still happen, then we have to do hard reset or master format VIVO Y12S 2021. All account including Google account will remove or wipe or deleted after finish hard reset. Hard reset process also will remove/erase all important files from internal memory. Please do not install unknown APK, because it is very easy to make our VIVO Y12S 2021 get some troubles.


How to Force Shutdown or Force Soft Reset or Reboot or Restart VIVO Y12S 2021 ?

RAM is important for multitasking. This phone has 3 GB RAM. Some installed apps may crash or corrupt that can make VIVO Y12S 2021 become hang or LCD touch screen not responsive with our finger. We need to clean temporary files and cache by force reboot or restart or soft reset. We can pres and hold POWER button for several seconds until turn of by it self. Then try to turn it not again. by pressing power button.


We can do this process anytime we want, because our important data will not removed or wipe when performing soft reset, therefore we can do this process anytime we want. If our VIVO Y12S 2021 still can work properly, but we want to manually clear temporary files and caches from some applications, then please press and hold POWER button until pop-up menu appear, continue to choose Shutdown / Power off / Reboot menu.


How to backup data or Contact at VIVO Y12S 2021 ?

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 Y12S 2021 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 Y12S 2021 with software menu

  1. Turn on the VIVO Y12S 2021
  2. It is very important to make sure battery capacity more then 50% or better fully charge
  3. If we still can access file manager or other applications, the please backup all data or photos/videos at VIVO Y12S 2021 because all data and applications will be erase or delete
  4. Go to Menu :  Setting > More Setting > Backup and Reset > Erase all data
  5. Give check-mark : Erase Phone Storage if we want to clean / wipe all data
  6. Choose : Erase everything
  7. The VIVO Y12S 2021 will do the hard reset or master format to factory default process.


hard reset vivo y12s 2021


#Option 2, Hard Reset VIVO Y12S 2021 with Hardware Button Key to Recovery Mode

  1. Turn Off VIVO Y12S 2021
  2. It is very important to make sure the battery is fully charge
  3. Press and hold POWER BUTTON + VOLUME UP BUTTON key until Fastboot menu appear
  4. Release all POWER BUTTON & VOLUME UP Button
  5. Choose Recovery Mode using VOLUME BUTTON and Press POWER BUTTON for Ok.
  6. Choose Clear Data button, and continue choose Clear all data and wait until wiping data finish
  7. 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
  8. Wait until the Use VIVO Y12S 2021 finish the process and the phone will start again like new


How to Unlock or Fix or Bypass or Solutions for VIVO Y12S 2021 forgot password code or security lock screen pattern or pin (lost password)?

All data will be saved inside internal storage by default. We also will have many private photos from dual camera 13 megapixel wide and 2 megapixel DoF or Bokeh effect. We have to secure all data and photos from unauthorized users when VIVO Y12S 2021 stolen or lost or away from us.

Fingerprint work fast for protection our phone. We can use 8 megapixel front camera for facial detection. Please choose secondary protection for backup, like screen lock pattern or pin or password. This is important for unlock VIVO Y12S 2021 after finish or reboot. At this time fingerprint and face unlock can not work. 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 can bypass or unlock forgotten security protections. But the only option that we can use is doing hard reset or master format. Please follow steps at #option 2 above to do hard reset or reformat using hardware button combination key.

Please understand, that our VIVO Y12S 2021 already use latest Android version. It is already have strong security protections. This phone already have FRP (Factory Reset Protection), FRP will make sure this phone is belong to us. It will ask to Verify your account with previous Google Account. Therefore we have to keep carefully our Gmail / Google account for bypass FRP protections at VIVO Y12S 2021.


Is That Any Secret Code for Doing Format VIVO Y12S 2021 ?

There is no secret hidden code for VIVO Y12S 2021 to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at VIVO Y12S 2021 ?

There are two phone memory type at VIVO Y12S 2021, one is internal memory and the other one is external memory. If we want to format internal memory phone then we have to do hard reset or reformat the operating system of VIVO Y12S 2021 as well. Please use menu setting to do hard reset or reformat using #option 1 above, but make sure to give checkbox mark at Erase Internal SD card / Internal storage. Then it will reformat the factory default operating system and remove or erase any data inside internal memory.

To reformat or wipe or erase all data at external memory, we can use menu Setting > Storage > Erase Internal Storage / SD Card. Please always make sure all data has already backup before reformat or wipe everything, because it is hard to recover formatted / wiped data at internal or external storage.


How to Make Battery of VIVO Y12S 2021 Stronger, Life Longer and Not Fast to Drain?

Big battery is very important. VIVO Y12S 2021 already use 5000 mAh battery for support full day activity. However, if we use this phone too much several hours continuously, then the battery will not enough. Please do some adjustment to make VIVO Y12S 2021 (V2069) battery work more longer. Make LCD screen not too bright will help this phone reduce battery usage. We also have to disable all not use connection like GPS or Bluetooth or Wifi. NFC is not installed on VIVO Y12S 2021.


More FAQ of VIVO Y12S 2021:

  • 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 Y12S 2021 (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 Y12S 2021 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.