Tips and tricks to fix VIVO Y55S 5G problems. This phone released at the end of 2021, it has new design with thin bezel full screen 6.58 inches size. The screen resolutions is 1080 x 2408 pixels. For support running many applications, it is powered by MediaTek MT6833 Dimensity 700 5G processor with dedicated GPU (graphic processor unit) Mali-G57 MC2.

When we open this phone from the box, the factory default Android 11 operating system is ready to use together with OriginOS Vivo user interface. We can use two different simcard number that can standby together and work with 5G broadband Internet access. We will give more solutions about how to fix VIVO Y55S 5G (V2164A) troubles at community.


What is Advantage of VIVO Y55S 5G Specifications and Features:

  • 4G LTE + 5G LTE
  • LCD 6.58 inches FHD
  • Internal memory 128 GB with 6 GB or 8 GB RAM
  • Internal memory 256 GB with 8 GB RAM
  • Main Camera Dual 50 MP f/1.8 + 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 2×2.2 GHz Cortex-A76 & 6×2.0 GHz Cortex-A55
  • GPU Mali-G57 MC2
  • Operating system Android 11
  • Battery Li-Po 6000 mAh



How to Fix or Problem Solving for Recovery VIVO Y55S 5G hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone work with MediaTek MT6833 Dimensity 700 5G processor, it can work with many applications. There are two internal storage options with 128 GB or 256 GB. There are no external memory slot for MicroSD. Please read several user reviews when we want to download applications.

Because there are some new or not famous apps that may contain viruses or malware that can make troubles if installed on our VIVO Y55S 5G 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.

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 Y55S 5G.

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 Y55S 5G ?

This phone has 6 GB or 8 GB RAM options. However, the installed applications may crash or corrupt, that can make VIVO Y55S 5G 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 Y55S 5G ?

We can use USB data cable for backup all data to PC using File Manager at computer. If our VIVO Y55S 5G 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 Y55S 5G with software menu

  1. Turn on the VIVO Y55S 5G
  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 Y55S 5G 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 Y55S 5G will do the hard reset or master format to factory default process.


hard reset vivo y55s 2021 5g


#Option 2, Hard Reset VIVO Y55S 5G with Hardware Button Key to Recovery Mode

  1. Turn Off VIVO Y55S 5G
  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 Y55S 5G finish the process and the phone will start again like new


How to Unlock or Fix or Bypass or Solutions for VIVO Y55S 5G forgot password code or security lock screen pattern or pin (lost password)?

Why we have to use security protection? Because we will have many important data after use VIVO Y55S 5G for several months. Beside data, we also will have many private photos videos that shoot with dual camera 50 megapixel for wide + 2 megapixel for macro. We need to make sure all data are secure from unauthorized people when VIVO Y55S 5G stolen or lost or away from us.

What is the ideal protection? We can use fingerprint or face unlock using 8 megapixel front camera. After choose first protection, we need to choose secondary protections like screen lock pattern or pin or password, because VIVO Y55S 5G fingerprint or facial recognizing can not work after reboot or restart. 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 Y55S 5G when we forgot security protections. Please use #option 2 above to do hard reset using hardware button combination key.

VIVO Y55S 5G 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 Y55S 5G ?

There is no secret hidden code for VIVO Y55S 5G to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at VIVO Y55S 5G ?

If we want to remove or erase all data inside VIVO Y55S 5G 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 Y55S 5G Stronger, Life Longer and Not Fast to Drain?

VIVO Y55S 5G (V2164A) have monster battery with 6000 mAh. Of course we can use this battery full one day or more. However, this is not unlimited. If we use this phone very active for play games or watch movie, then the battery will not enough.

We have to do some adjustment to make VIVO Y55S 5G battery not fast to drain. Please disable all not use connections like GPS or Bluetooth or Wifi. NFC is not available on this phone. We also need to make LCD screen brightness as low as possible.


More FAQ of VIVO Y55S 5G:

  • 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 Y55S 5G (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 Y55S 5G 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.