Tips and tricks to fix VIVO Y21T problems. This phone does not have 5G connections. For fast Internet access, we have to use 4G LTE at available locations. Otherwise, we stil can use 2G or 3G for worse. This phone is powered by Qualcomm SM6225 Snapdragon 680 4G processor with dedicated GPU (graphic processor unit) Adreno 610.
The screen size is 6.51 with HD resolution. The back body cover and frame are use plastic model. When we open this phone from the box, Android 11 operating system is ready to use together with Funtouch 12 Vivo user interface. We will give more solutions and information about how to solve troubles of VIVO Y21T at www.hard-reset.org community.
What is Advantage of VIVO Y21T Specifications and Features:
How to Fix or Problem Solving for Recovery VIVO Y21T hang or not responding or malfunctions or stuck or freezing or bricked ?
VIVO Y21T has big internal storage at 128 GB. We still can use MicroSDXC with its own dedicated external memory slot. There are many applications that we can download from Google Play Store, but we need to be careful before download new or not famous apps or games, because some of them may contain viruses or malware or threat.
We need to read many user reviews before download any apps, otherwise our phone may get troubles 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 Y21T.
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 Y21T ?
VIVO Y21T has 4 GB or 6 GB RAM. More bigger RAM is better for multitasking. However, the installed applications may crash or corrupt, that can make VIVO Y21T 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 Y21T ?
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 OTG for connect with flash drive. After the flash disk connected, then we can choose all important file using Android file manager, copy from internal memory and paste to external flash drive.
We can use USB data cable for backup all data to PC using File Manager at computer. If our VIVO Y21T 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 Y21T with software menu
#Option 2, Hard Reset VIVO Y21T with Hardware Button Key to Recovery Mode
How to Unlock or Fix or Bypass or Solutions for VIVO Y21T forgot password code or security lock screen pattern or pin (lost password)?
We must secure all data inside VIVO Y21T from unauthorized people, especially when this phone stolen or lost or away from us. There are first protection that we can use such as fingerprint or 8 megapixel front camera for facial recognizing. We have to choose secondary protections like screen lock pattern or pin or password for backup. Why?
Because, after VIVO Y21T finish reboot or restart, we can not use fingerprint or face detection. At this moment, this phone will ask to unlock using secondary protections. 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 Y21T when we forgot security protections. Please use #option 2 above to do hard reset using hardware button combination key.
VIVO Y21T 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 Y21T ?
There is no secret hidden code for VIVO Y21T to make it back to factory default. Do the options above to hard reset it.
How to Format or Erase Phone Memory at VIVO Y21T ?
If we want to remove or erase all data inside VIVO Y21T 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 Y21T Stronger, Life Longer and Not Fast to Drain?
VIVO Y21T product model code is V2135. The battery is 5000 mAh non removable type. It has fast charging 18W. We can use this phone full one day without need to recharge for standard activity. The battery drain problems may happen if we us this phone too much for watching movie or playing games.
Please do some adjustment to make VIVO Y21T battery work more longer. We have to make LCD screen brightness as low as possible and disable all not use connections like GPS or Wifi or Bluetooth. NFC is not installed on VIVO Y21T.
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.
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 Y21T 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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