Trying to install a ROM or flashing other mods on your Samsung Galaxy V Plus SM-G318HZ Android phone but got it bootloop? Maybe it's because the updated firmware with enhanced security.
KituTech — As we know, our Samsung Galaxy V Plus SM-G318HZ got a system update once. Apparently, the system update bring an additional security patch to the system.
This is thanks to kikaa@XDAForum who mentioned it on the Samsung Galaxy V Plus thread there.
How do we know we got the updated firmware? Well, simple. Go to our phone's Settings → About phone. If we scroll down and there are a line mentioned "Asks security version…", then we got an updated version.
So, if we plan to mod our Samsung Galaxy V Plus SM-G31HZ Android phone, especially installing a custom ROM, downgrading the firmware to the older one is necessary to avoid bootloop.
Note: Don't forget to backup our phone's data and internal storage first. Although after flashing the firmware I found that it's not erasing my Samsung Galaxy V Plus SM-G318HZ data, better safe than sorry. 😀
Tools & materials:
- A Windows PC
- Samsung USB driver installed on the PC
SAMSUNG_USB_Driver_for_Mobile_Phones.exe (35.4 MB) - Odin Windows app
Odin3-v3.14.4.zip (4.3 MB) - The old Samsung Galaxy V Plus SM-G318HZ Firmware
[zon3-android.net]G318HZDXU0AOF5_G318HZOLB0AOF5_XSE.zip (528 MB) - A good micro USB cable, preferably the original one came with our Samsung Galaxy V Plus's phone.
Steps downgrading Samsung Galaxy V SM-G318HZ Android phone's firmware with Odin
- Install the Samsung USB driver on our Windows PC.
- Download and extract the Odin.zip to get the Odin
.exe, then double click theOdin….exeto run it on our PC. - In the Odin main menu, Click "AP", then locate and select the Samsung Galaxy V Plus SM-G318HZ firmware (don't forget to extract it as the firmware file we downloaded is in a
.zipfile). Wait for Odin to check the integrity of the firmware to make sure it's not corrupted, it should will show "Checking MD5 finished successfully" on the left message log. - Boot our Samsung Galaxy V Plus Android phone into download mode: Power off it, then press and hold the power + home + volume down buttons simultaneously and hold it a few seconds until the phone's vibrates. Press volume up to continue on the warning screen.
- Connect our Samsung Galaxy V Plus SM-G318HZ Android phone to our PC with micro USB cable. If everything is normal, it should be shown on Odin as "Port…"
- Click "Start" to begin the flashing. It will take some time, with the final message log would be "All threads completed…" with a big "PASS" green message at the top.
- Done! Our Samsung Galaxy V Plus SM-G318HZ phone should be reboot automatically in a moment.
From my experience, my Samsung Galaxy V Plus data is retained and nothing was erased. However, it's always recommended to do factory reset (Settings → Backup & reset → Factory data reset) after flashing a firmware to our Android phone.
And that is all, now our Samsung Galaxy V Plus SM-G318HZ Android phone has used the old firmware, it's time to kick some mods and ROMs!
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