Flash Stock Firmware on Samsung Galaxy A8 ⑥ SM-A810YZ

Flash Stock Firmware on Samsung Galaxy A8 ⑥ SM-A810YZ

In this guide – how to Flash Stock Firmware on Samsung Galaxy A8 ⑥ SM-A810YZ. we give you all needed files to Flash and we discuss about errors of flashing Rom and we offer you solutions for errors. we use Odin tool to flashing process. Odin is a Windows based oneclick tool that is used by the Samsung galaxy internally to flash firmwares and kernels etc. if you are Mac or Linux user then you can use Heimdall or the Java version of the Odin also we give you all Flashing methods

What is Stock ROM?

Stock ROM– Stock ROM is Original ROM/ Official Rom that your phone have. IF you buy a android phone. It have a Stock ROM. Stock ROM is default ROM.

Warranty – Stock ROM does not avoid your warranty. One of the reasons that android people don’t go for Custom ROMs is warranty. If you install custom ROM then your warranty is canceled on time.

Premium Apps – Premium apps is which you did not install apps.  Normally stock ROMs come with unique premium apps to attract customers. These premium apps differ from one mobile vendor to another vendor. These apps can be anything like music players, apps stores, widgets, Track-ID (Sony) , S voice (Samsung)

Security– in stock ROM, You can be sure that it does not contain/include any spywares, malwares, backdoor,trojan or other malicious tools but Custom Rom

Before Flash Stock Rom on Samsung Galaxy A8 ⑥ SM-A810YZ , you should know these things

 You can do this if you want to Go back to Custom Rom to Official Stock Rom.
 phone’s pc software does not want to install but phone driver must works on your PC without error.
 This Stock Rom has to be installed on this model only.

Why I want to Install Stock Rom

 When phone does not on.
 Install Lollipop on Samsung phone

 Install Marshmallow Samsung phone
♥ When phone does not pass “LOGO” Screen / boot image
 When phone get “could not do normal boot Odin mode” error
 When phone get “System errors”
 If you think though your phone go crazy / Slow even after performing reset, then you can flash         Stock Rom
 When phone broke after rooting.


Flash Stock Firmware on Samsung Galaxy A8 ⑥ SM-A810YZ

Requirement for Flashing Official Firmware/ ROM

 Your phone should have 50% + battery.
 USB drivers.
 Enable developer mood and USB Debugging
♦ Odin – link is below
 Stock Rom – Link is below

Top Root apps for your phone 


Step 1,

First of all, get backup (easy and ultimate backup) your apps, contacts, messages, photos, videos,Music, Call Logs,Whatapp Viber Messages and any other important data stored on the internal storage and external Storage (SD Card)  before Flashing.

Step 2,

After Then, download and install  USB drivers . If you phone working fine  with your computer then go to Step three.

Step 3,

Download Official Stock Firmware For Samsung Galaxy A8 ⑥ SM-A810YZ

Download Official Stock Rom for your device from this link.  If you Install Thailand Rom/, you can use English language or any other language So don’t worry that. after downloading,  extract it. To extract, you will need this Software. after extracting, you will see file tar.md5

♥ Note–  What is the Stock & Custom Rom? Firmware? Bootloader?

Step 4,

Turn off your phone. And Boot into download mode. To do this, press and hold  “volume down + home + power”  at the same time until you see the warning screen with a yellow triangle sign,

Flash Stock Rom on Samsung Galaxy

Flash Stock Rom on Samsung Galaxy

Step 4,

Must watch – about Odin Buttons & Check boxes for Beginner

  1. Download Odin tool
  2. Extract Odin and Odin.exe. and install Odin and launch it.

Flash Stock Rom on Samsung Galaxy

2. After that, press Volume up key from phone. to go – Download Mode/Odin mode

 3. after pressing Volume Up key, you can see “added” message on Odin. If there is not Added MSG then Be sure to check your Data Cable are working.

Flash Stock Rom on Samsung Galaxy

In case your phone is not detected by Odin, try the following things:

  • you can try reinstalling the Samsung USB Drivers.
  • Reboot your phone and turn off USB Debugging and turn it on again.
  • Try changing the USB cable
  • Connecting to other ports.
  • See more

Step 5, 

Now Click on PDA/AP Icon and browse to the extract of the firmware and select. after selecting you can see firmware location on odin “path box.

Flash Stock Rom on Samsung Galaxy

Step 6,

Start Flashing Stock Firmware on Samsung Galaxy A8 ⑥ SM-A810YZ

1.Now click “Start”. Odin  will be start install files to your phone. Don’t unplug. 

Install Stock Rom to Samsung galaxy

2.Once you get a PASS! message on Odin. you can unplug your phone. but you can see on phone screen. there are several installing. app,android… let’s them to install itself.. (first boot may required some time. so wait)

Flash Stock Rom on Samsung Galaxy

Step 7,

After turn on the phone, then Wipe your phone. If you checked “auto Reboot” then phone auto restart

you can now enjoy your official firmware.


Errors and Solutions Listed

I can’t Flash Stock Firmware on Samsung Galaxy A8 ⑥ SM-A810YZ

please try with this post step by step and Please Make sure that Firmware/Stock Rom is match for your device..

PDA = Baseband version (Ap = PDA)

How to watch PDA and base version

phone >> About >> Baseband version>> XXXXXXXXXX
sammobile >> PDA  >> XXXXXXXX

First 7 letters of PDA and phone version must be same.

If you come across bootloop

Remove the battery and then put it back again. Boot to Recovery by holding Volume Up + Home + Power. Choose “wipe data/factory reset” then select “Yes” after then Select Reboot to System. If you want Step by Step dedicate link here

Fail! message/All threads completed. (succeed 0 / failed 1)

Fail! message/All threads completed. (succeed 0 / failed 1)

Fail! message

try again and try Different Rom. Be Sure to Step by step with Us

Phone says “Could not do normal boot odin mode”

This is Normal error follow this could not do normal boot odin mode


I flash my device, Now phone is stuck displaying the logo screen

Try to Factory Reset and Wipe cache and try again

it says “signature verification failed”

try Different Rom. Be Sure to Step by step with Us


Invalid Ext4 Image Error

you will need to install the PIT file.  Note – If you have a S7 64GB, for example, the PIT must be from the same model.. We have Guide post to solve this problem so, please use it slow your problem. If you want to contact us then please send MSG or Comment.

MD5 hash value is invalid” Error

this error come to you when Odin is unable to verify the hash value of the file

may File is corrupt
File didn’t download properly

I can’t go to recovery mood

  1. Turn off the your computer and Turn on.
  2. Turn off your phone. (remove the battery)
  3. Connect your phone to Computer
  4. Power button + Volume down + Home button.
  5. Open the Odin and. press Volume up.
  6. Then you can see, Odin show the message “added”.

But you can’t smile till.. because you need to install Stock Rom again, because you image is Broken..

Odin fails at hidden.img.ext4/ Firmware upgrade encountered an isuue. please select recovery mood in  kies and try again

  1. Turn off your phone. (remove the battery)
  2. put it to battery.
  3. Go Download mode. by pressing “Power button + Volume down + Home button”
  4. See more..

Odin “fail” error and “nand erase all”/ Nand write start fail on odin

There is the discussion about this error in Xda forumGo and solve your problem. 

How to install Marshmallow on Samsung Galaxy A8 ⑥ SM-A810YZ

we know,some phones Versions still not received updated android, It depend on country too. imagine  that you are in Sri Lanka and you phone have Lollipop. But your version Thailand phone may be received Marshmallow. So, If there is available Marshmallow or Lollipop then you can also Flash it as a Stock ROM.

How to install Lollipop on Samsung Galaxy A8 ⑥ SM-A810YZ

we know,some phones Versions still not received updated android, It depend on country too. imagine  that you are in Sri Lanka and you phone have Lollipop. But your version Thailand phone may be received Marshmallow. So, If there is available Marshmallow or Lollipop then you can also Flash it as a Stock ROM.

How to revert back to the previous version of Android

When you Flash new Custom Rom, If it is still testing one then you will definitely get errors.. Like Camera fail, WIFI fail, NFC,GPS fails..  So, in this situation, You have to get previous version of android OS. But is there any chance to downgrade Android lollipop to kitkat or Marshmallow to Lollipop? I would Like to say. YES YOU CAN.. you can use this post to go Back to kikat or Lollipop

My phone stuck on boot logo/keep restarting

That means your current Rom is Corrupted or damaged. Now you have to Install Stock Rom to ON your phone. use this post to Flash new Stock Rom.


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