[Android General] Viva La Android R.I.P.:
Hyundai 7" HyTab Plus

4G-LTE Android Tablet

Model No. 7LB1

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Factory Firmware

Restoration & Upgrading Guide​

OVERVIEW:

This guide outlines detailed instructions on restoring and/or upgrading the Hyundai 7" HyTab Plus (7LB1) tablet to its stock factory state by way of flashing a factory firmware package to the device. This procedure can be used to fix a tablet which is bricked, stuck in a boot loop or is otherwise unable to boot into the Android OS. This guide can likewise be used by device owners who are experiencing issues attributed to firmware corruption, those who simply wish to revert to a fully stock and unmodified Android OS, or those who wish to upgrade from an older firmware build. This process will remove any system level mods, root binaries, custom kernels, recoveries, etc., as well as lock the bootloader if it is in an unlocked state.

FIRMWARE INFO:

• OS/Version: Android 10 (Go Edition)

• Build No. full_tb8765ap1_bsp_1g-user

• Build ID: QP1A.190711.020

• Build Date: September 19, 2020

• Security Patch Level: June 5, 2020

• Build Type: User

• Build Tag: release-keys

• Kernel version: Linux 4.14.141

• Radio: MOLY.LR12A.R2.MP.V135.8

• Custom Build: alps.mp.q0.mp1-V9.82

• API Level: 29

• Partition Scheme: Dynamic (non-A/B)

PREREQUISITES: ​

A PC or laptop running on Windows 7/8.1/10/11;​

The SP Fladh Tool firmware flashing software (link provuded below);​

A factory firmware package for the 7LB1 tablet (link provided below);​

The vCom MediaTek USB drivers installed on your Windows computer (link provided below);​

The factory supplied or a quality equivalent USB-C to USB-A data syncing cable.​

INSTALLING MEDIATEK vCOM DRIVERS

The most common obstacle many members encounter when using the SP Flash Tool is device recognition. The SP Flash Tool software flashes firmware directly to the NAND/eMMC whilst the mobile device is in BROM flash mode. In other words, the flash tool is interacting directly with the MediaTek chipset during the flashing process. The user merely needs to connect the powered off mobile device to the PC or laptop using an adequate USB data syncing cable. SP Flash Tool, in turn, will initiate BROM flash mode on the mobile device and commence with the firmware restoration process. In order for your device to be properly recognized in this regard, it is crucial that the MediaTek vCom USB drivers are properly installed and configured on your Windows computer. While I will not be outlining step-by-step instructions here on installing these drivers, I have provided a link in the downloads section below for a comprehensive guide on properly installing and configuring the vCom USB drivers on your Windows machine. Once you have completed this crucial task, you may proceed with this guide. Be sure and thank the OP of that guide, @skeleton1911, if you use his work.

DISCLAIMER

This guide involves flashing the eMMC internal storage device of your tablet with a factory firmware package, thus fully restoring your tablet to its stock factory condition. The procedure outlined below is inherently risky to the overall integrity and operabilitu of your tablet. Failure to follow the instructions properly can, for instance, render your device completely inoperable. By proceeding further, you are assuming sole responsibility for the integrity and operability of your tablet. I have fully tested this procedure on my own device. Follow the instructions carefully, employ patience, and things should go smoothly. I am not responsible if you brick or otherwise damage your tablet. Moreover, it should be emphasized that this guide is for model 7LB1 only. Its sister tablet, the WiFi-only 7WB1 model, incorporates major hardware and firmware differences. Accordingly, these two models are not intercompatible with regard to firmware builds.
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INSTRUCTIONS

This section presumes that you have properly installed & configured the latest MediaTek vCom USB drivers on your Windiws PC or laptop. Again, I have linked a guide for installing these drivers in the downloads section below. Your bootloader does not need to be in an unlocked state. However, this procedure will relock your bootloader if it is presently in an unlocked state.

WARNING: This procedure will erase all saved user data from your device. Before proceeding, make a backup of any files, media or data that you wish to preserve.​

Download the 7LB1 factory firmware package from the link below and extract the contents of the archive to a folder on your computer desktop, or to a folder in another convenient directory;​

Download SP Flash Tool v5.1924 from the link below and extract the archive to your desktop, or to another easily accessible directory;​

Ensure that your tablet is powered off and is not connected to your PC or laptop;. Likewise, ensure that there are no other mobile devices or USB storage devices connected to your computer;​

Open the SP Flash Tool folder that you extracted in Step 2. Click on flash_tool.exe, then right click and choose to Run as Administrator;​

Ensure that the pull-down menu, located near the mid-left region of the interface, is set to Download only. Next, click on the Choose folder icon, located to the right of the Scatter-loading file heading.​

A file explorer will be launched. Navigate to the saved location of the firmware you extracted in the first step. In the firmware directory, select MT6739_Android_scatter.txt and then click Open;​

The SP Flash Tool will now load the factory firmware package. A violet-colored progress bar near the bottom of the interface will reflect the completion status.​

Once the firmware has been loaded, connect the USB-A end of the data syncing cable to your PC or laptop. Click the Download box located near the upper-left region of the interface;​

Now, connect the USB-C end of the data sync cable to your tablet. If the vCom drivers are properly installed and configured on your PC or laptop, SP Flash Tool will recognize your device and initiate firmware installation via BROM flash mode. A yellow progress bar located near the bottom of the interface will reflect the percentage of completion. Once completed, you will receive a notification that the procedure was successful.​

Disconnect your tablet and use the power key to boot the device. Your tablet shouid now be restored to its unmodified factory state and running on the latest stock firmware build.​

DOWNLOADS

Installing MediaTek vCom Drivers Guide

7LB1 Android 10 (GE) Factory Firmware

SP Flash Tool v5.1924

THANKS & MENTIONS

I would like to give a heartfelt thanks to Hyundai Technology Support Specialist @yusefgharib for providing me with factory firmware packages for this device, as well as other Hyundai tablet models. Yusef has been a tremendous help in this regard. Also, thanks to @skeleton1911 for his comprehensive guide on installing vCom MediaTek USB drivers on Windows. Great guide with simple and detailed steps.​