Tips and tricks to fix VIVO Y15S problems. This is cheap smartphone that use Mediatek MT6765 Helio P35, that is why we can not use 5G connections for Internet access. We can use 4G LTE for broadband Internet connections. It has dedicated GPU (graphic processor unit) PowerVR GE8320 for graphic rendering. The first operating system installed with Android 11 Go Editions.

Why is VIVO Y15S use Android Go Editions? Because the specifications is not too high,  with standard RAM 3 GB size, therefore having Android Go Edition will make this phone able to download low RAM applications like Map Go, Youtube Go and some other more.

This phone has 6.51 inches HD screen with small notch drop on the top of the screen. We will give more solutions, reviews and information about how to solve VIVO Y15S troubles at community.


What is Advantage of VIVO Y15S Specifications and Features:


  • 4G LTE
  • LCD 6.51 inches HD
  • Internal memory 32 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 4×2.3 GHz Cortex-A53 & 4×1.8 GHz Cortex-A53
  • GPU PowerVR GE8320
  • Operating system Android 11 Go Edition
  • Battery Li-Po 5000 mAh


How to Fix or Problem Solving for Recovery VIVO Y15S hang or not responding or malfunctions or stuck or freezing or bricked ?

The internal storage capacity is 32 GB. It is use Octa core processor with Mediatek MT6765 Helio P35. There are some Android Go applications that we can download from Google Play Store., but we have to be careful when we want to download new or not famous applications.

Because some of them may have viruses or malware that can make troubles if installed on our VIVO Y15S 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 several user review when we must download that kind of apps.

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 Y15S.

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 Y15S ?


This phone use Android Go because it has limited RAM at 3 GB. Some users get hang with installed applications because of crash or corrupt, the 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 Y15S ?

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 Y15S 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 Y15S with software menu


  1. Turn on the VIVO Y15S
  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 Y15S 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 Y15S will do the hard reset or master format to factory default process.


hard reset vivo y15s

#Option 2, Hard Reset VIVO Y15S with Hardware Button Key to Recovery Mode

  1. Turn Off VIVO Y15S
  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 Y15S finish the process and the phone will start again like new


How to Unlock or Fix or Bypass or Solutions for VIVO Y15S forgot password code or security lock screen pattern or pin (lost password)?

We must protect all of our important applications and data from unauthorized users, especially when this phone stolen or lost or away from us. We can use fingerprint that located at side body or use 8 megapixel front camera for facial recognizing.

We have to choose secondary protection for backup like screen lock pattern or pin or password. Because the fingerprint or face detection can not work after VIVO Y15S reboot or restart. It will ask 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 Y15S when we forgot security protections. Please use #option 2 above to do hard reset using hardware button combination key.

VIVO Y15S 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 Y15S ?

There is no secret hidden code for VIVO Y15S to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at VIVO Y15S ?

If we want to remove or erase all data inside VIVO Y15S 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 Y15S Stronger, Life Longer and Not Fast to Drain?

VIVO Y15S (V2120) battery capacity is 5000 mAh. It can work full day without recharge. Some users can use it about two days. However, if we use this phone too active, then the battery will not enough. 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. NFC is not available on VIVO Y15S.


More FAQ of VIVO Y15S:

  • 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 Y15S (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 Y15S 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.