[Guide] How to unlock and flash firmware Samsung Galaxy A7 10.4 Wifi / LTE SM-T500 / SM-T505

[aaur4man]

Disclaimer: Your Warranty is now VOID. I am not responsible for any dead/bricked device(s)

 

This is a general guide which should not differ too much on how to unlock Samsung devices and flashing another official image.

 

As there is no working custom ROM for this tablet, I will not go into steps on flashing a custom Recovery and ROM. However as a basis the unlocking and odin are basic requirements.

 

Hardware Needed:

• Well charged tablet (>70%) with the correct model number (SM-T500 / SM-T505)
• Compatible USB-C Cable (if in doubt, use the factory supplied one)
• Windows Computer (if in doubt, Windows 10)

 

Software Needed:

• Odin (this is a flasher tool for Samsung devices)
• Samsung Android USB Driver for Windows
• Samsung Firmware (choose the correct model and region/country)

 

Enable Developer Options: Go to Settings > Software Information > keep tapping Build Number until you see "developer mode is enabled"

 

Enable OEM Unlocking: Go to Settings > Developer Options > and toggle OEM unlocking

 

Unlock Bootloader:

• Install Samsung Android USB Driver
• Connect the USB-C Cable to your computer
• Power Off Tablet
• Press and Hold Volume Up and Down buttons
• Connect the USB-C Cable
• Bootloader screen will appear
  
   
• Press and hold Volume Up button to enter Device Unlock Mode
• Press Volume Up again to unlock bootloader
  
   
• Tablet will factory restart automatically and takes a few minutes to boot up for first time
• From now on every reboot will show a "Bootloader Unlocked" Warning. This is normal, and will disappear once bootloader is locked again.

 

Flash New Firmware using Odin:

• Download and extract Odin
• Download and extract the correct Samsung firmware for your tablet and country
• Connect the USB-C Cable to your computer
• Power Off Tablet
• Press and Hold Volume Up and Down buttons
• Connect the USB-C Cable
• Bootloader screen will appear
• Press Volume Up button once to enter Download Mode
  
• Run Odin application (.exe)
• Odin should automatically detect tablet in Download Mode and show the ID:COM (no COM will be displayed if not detected)
• Load the corresponding BL , AP, CP, CSC files on Odin (disregard HOME_CSC)
• Make sure in the Options tab, ONLY Auto Reboot and F.Reset Time are checked. OTHERS UNCHECKED

 

               

 

 

• Then click START, flash will proceed (obviously do not turn off or disconnect anything until its complete)
   

               
 

• Once Complete, Odin will show "PASS". and tablet will auto reboot.
   

               
 

• Again with a new firmware, first boot will take a whle

 

Relock Bootloader:

• Power Off Tablet
• Press and Hold Volume Up and Down buttons
• Connect the USB-C Cable
• Bootloader screen will appear
• Press and hold Volume Up button to enter Device Unlock Mode
• Press Volume Up again to LOCK bootloader
• Tablet will factory restart automatically and takes a few minutes to boot up for first time
• No more annoying warnings

Edited April 23, 2022 by aaur4man

[aaur4man]

@Bigbird@The_King

[The_King]

thanks i bookmarked when i get a new spare xiaomi (for video only) and will update here

 

 

[Bigbird]

 

Is this the same for Xiaomi?

 

I no have windows computer!

[aaur4man]

37 minutes ago, Bigbird said:

 

Is this the same for Xiaomi?

 

I no have windows computer!

 

xiaomi is very different and relatively easier lol

[Bigbird]

7 minutes ago, aaur4man said:

 

xiaomi is very different and relatively easier lol

 

I am still screwed as i dont have a Windows PC!