Vivo Y12s & Y21 Phone Exception And Test Device Use Limited Solution

Dear viewer, In this post you will learn how to download Vivo Y12s & Y21 Phone Exception & Test Device Use Limited Fix file. you can fix your smart phone using by our file. Vivo Y12s & Y21 fix this error Without CM2 UMT MRT No Box Dongle, If you don’t know about how to remove demo mode Vivo Y12s & Y21 Demo phone then read our page carefully step by step. and also we will try to help you as our best if you need.

Also Vivo Y12s & Y21 What Type’s Problem Will Be Fix

Vivo Y12s & Y21 Suddenly Hang and Restart Problem Will Be Fix, After Flash Dead Hang Logo Blinking Display, After Flash Wrong Firmware Become Dead Show Only MTK Port, Keep Re Start & Show System Error Massage, Auto Recovery Mode & Auto Fastboot Mode Show Only, System Any Apps has been stopped Error Fix, unfortunately App has been stopped Apps error fix, Fix privacy protection lock Pattern Pin Password Frp any user lock fix, And Can Fix Any Software issue On your smart phone

USB Driver & Flashing Tool

Driver & Tools is kind of system software which is physical hardware in Operating system or which is makes hardware work in OS for user. Flashing Before Any Smart Phone On your PC You Need to Install First Tools & USB Driver Then Process Installing Firmware. Without Driver Your Smart Phone Will Not Detect Boot To Your Pc. So Download USB Driver, Flashing Tool And Install Them to Your PC for ready to Installing Rom

Advantages Of This File

To Fix your Vivo Y12s & Y21 Device Without Any Box Dongle. Some Device No Need Open Back part Disassembly, And Some Device Need Test Point, Using this file don not want any official service, offline Support you don’t want any Tool Box Dongle Like CM2 Dongle, UMT Dongle, EFT Tool, MRT Key, Pandora Box, Chimera Etc If Model Support

Vivo Y12s & Y21 Phone Exception

Vivo Y12s & Y21 Phone Exception

Vivo Y12s & Y21 Phone Exception

Vivo Y12s & Y21 Test Device Use Limited

After flashing phone Showing “Phone exception” & “Test Device Use Limited” 

Detected Customized Type Exception On The Phone. The Relevant Communication Feature Will Be Disabled. (System changed)

Phone Exception Error Massage Fix /Test Device Use Limited Logo Fix

File Status : Paid Members Only [ If You Want Free Then It’s Not For You ]
Knock us AT Whatsapp +8801829776585 & Ask For Price

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  1. Windows PC or Laptop Any OS And Zip
  2. Vivo Y12s & Y21 File That We Provide In This Post
  3. Latest MTK Usb Driver.
  4. Flashing tool & Professional Dongle & Box
  5. A good usb data cable [use original cable best performance ]
  6. Need battery backup charge at least 30%)
  7. Team viewer id if need remote help [additional]


If your device has locked with FRP, Pattern, Pin, Password With Any Lock Then you can remove by this firmware also but 95% Smart Phone Can Possible Without Flashing Any Firmware. You can reset your phone by using recovery mode but some smart Phone is can not format in recovery to reason hard security . we have many types screen lock remove file uploaded in our site at search your frp & screen lock remove file in our website if didn’t found then contact us in our support number to remove any lock.


    • Download And Install USB Driver [If Already have Already Then Skip This Step]  .
    • Extract the flash file & Copy Folder Location
    • Open Latest SP Flash Tool If You Don’t have Then Find In Our Firmware Folder .
    • SP flash tool run As Administrator.
    • load scatter files from the extracted firmware folder or past in folder location that you copy.
    • Use original USB cable for flashing to pc
    • power off your smart phone and plug usb cable in brom mode [some phone has require hold vol+ vol- for boot in Pc
    • if usb port is Detected to Your PC Flashing Will Start Automatically
    • Wait for the process to finish, and please do not unplug your device before until the process complete
    • If the flashing is successful, a green ring massage will show on the display.
    • Unplug usb your phone from the computer and power on and done
  • How To Remote Work By Our Side

    • Download And Extract File And Tools
    • Install USB Driver (if have Installed Before Then Skip This Step)
    • Enter Download Mode Phone ]
    • Install & Open Team Viewer Remote Software ID Send US In support number
    • Once Our Team Access On Your PC They Will Command You Text By Test
    • If Finished You Team will let you know done


Before Flashing Take A Backup Your Personal Data Like Photo Videos Music & Apps Etc. After Installing Firmware Your All Personal Data Will Be Erased Permanently From Your Device. and if you Are Technician We recommend to You Make A Backup Full Firmware Then Proceed Any Operation after if you get any wrong happen then you can restore you device


If You Found Any Trouble In This Room Please Contact us In Support Number & drop a massage in our Whatsapp number. we can help you as our best or If you found Any Dead link please tell use we will update link as soon as possible. or If you are looking for any Firmware that is not listed on our website, you can request it through the support number