Tips and tricks to fix VIVO Y12A problems. This is entry level smartphone that use IPS LCD screen with 6.51 inches size HD resolution at 720 x 1600 pixels. It has mall notch drop at top of the screen for hold 8 megapixel front camera. We can use dual simcard slot standby together with different number. By default, this phone already preinstalled with Android 11 together with Funtouch 11 Vivo user interface.

We can not run 5G connection because it is powered by 4G processor Qualcomm SDM439 Snapdragon 439. It has dedicated GPU (graphic processor unit) Adreno 505. Some issues happen on VIVO Y12A hardware or software, therefore we will try to give more solutions, reviews and information about how to solve VIVO Y12A (V2102) troubles at www.hard-reset.org community.

 

What is Advantage of VIVO Y12A Specifications and Features:

  • GSM 3G HSDPA Dual SIM Card GSM+GSM
  • 4G LTE
  • LCD 6.51 inches HD
  • Internal memory 132 GB with 3 GB RAM
  • 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 4×1.95 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 Y12A hang or not responding or malfunctions or stuck or freezing or bricked ?

We have to selective choose only important application to install, because this phone only has 32 GB internal storage. Although we can use MicroSDXC at its own dedicated external memory slot, but by default almost all installed apps will use internal memory for default storage location.

Please do not install new or not famous applications without read many user reviews, because some of them may contain viruses or malware that can make troubles if installed on our VIVO Y12A (V2102) like 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.

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 Y12A.

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 Y12A ?

This phone has 3 GB RAM. Some installed applications may crash or corrupt, that can make VIVO Y12A 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 Y12A ?

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 Y12A 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 Y12A with software menu

  1. Turn on the VIVO Y12A
  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 Y12A 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 Y12A will do the hard reset or master format to factory default process.

 

 

hard reset vivo y12a

#Option 2, Hard Reset VIVO Y12A with Hardware Button Key to Recovery Mode

  1. Turn Off VIVO Y12A
  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 Y12A finish the process and the phone will start again like new

 

How to Unlock or Fix or Bypass or Solutions for VIVO Y12A forgot password code or security lock screen pattern or pin (lost password)?

When we use this phone for daily activity, we will have many important data and private photos videos that taken from VIVO Y12A dual camera with 13 megapixel for wide and 2 megapixel for DoF or Bokeh effect. Therefore we have to secure all data from unauthorized people when VIVO Y12A stolen or lost or away from us.

We can choose to use fingerprint or face detection for protection. Secondary protection need to activate for backup like pin or password or screen lock pattern. Because fingerprint and facial recognizing will not work after VIVO Y12A reboot or restart. We have 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 Y12A when we forgot security protections. Please use #option 2 above to do hard reset using hardware button combination key.

VIVO Y12A 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 Y12A ?

There is no secret hidden code for VIVO Y12A to make it back to factory default. Do the options above to hard reset it.

 

How to Format or Erase Phone Memory at VIVO Y12A ?

If we want to remove or erase all data inside VIVO Y12A 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 Y12A Stronger, Life Longer and Not Fast to Drain?

We can use VIVO Y12A 5000 mAh battery capacity for work full one day without need to recharge. However, if we want to make it work more longer, then we have to do some adjustment like make LCD screen brightness as low as possible and disable all not use connections like GPS or Bluetooth or Wifi. VIVO Y12A (V2102) does not have NFC connection.

 

More FAQ of VIVO Y12A:

  • 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 Y12A (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 Y12A 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.

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