Lenovo Tab 7 Essential (lenovo-tb7304f)
Appearance
This device has been tested with postmarketOS, but its device package has not yet been added to the postmarketOS repositories. This means that it cannot be selected in pmbootstrap. |
Manufacturer | Lenovo |
---|---|
Name | Tab 7 Essential |
Codename | lenovo-tb7304f |
Released | 2017 |
Type | tablet |
Hardware | |
Chipset | MediaTek MT8167 |
CPU | Quad-core ARM Cortex-A35 @ 1.3GHz |
GPU | Imagination PowerVR GE8300 |
Display | 600x1024 IPS LCD |
Storage | 8 GB / 16 GB EMMC |
Memory | 1 GB DDR4 (Single channel) |
Architecture | aarch64 |
Software | |
Original software The software and version the device was shipped with. |
Android 7 |
Extended version The most recent supported version from the manufacturer. |
Android |
Mainline Instead of a Linux kernel fork, it is possible to run (Close to) Mainline. |
no |
Flashing Whether it is possible to flash the device with pmbootstrap flasher . |
Untested
|
---|---|
USB Networking After connecting the device with USB to your PC, you can connect to it via telnet (initramfs) or SSH (booted system). |
Works
|
Internal storage eMMC, SD cards, UFS... |
Works
|
SD card Also includes other external storage cards. |
Works
|
Battery Whether charging and battery level reporting work. |
Untested
|
Screen Whether the display works; ideally with sleep mode and brightness control. |
Works
|
Touchscreen |
Works
|
Multimedia | |
3D Acceleration |
Untested
|
Audio Audio playback, microphone, headset and buttons. |
Untested
|
Camera |
Untested
|
Connectivity | |
WiFi |
Untested
|
Bluetooth |
Untested
|
Miscellaneous | |
FDE Full disk encryption and unlocking with unl0kr. |
Untested
|
USB OTG USB On-The-Go or USB-C Role switching. |
Untested
|
Sensors | |
Accelerometer Handles automatic screen rotation in many interfaces. |
Works
|
Ambient Light Measures the light level; used for automatic screen dimming in many interfaces. |
Untested
|
Proximity |
Untested
|
Contributors
Users owning this device
- IOrbitSaturn (Notes: Broken and not running... Both of them)
- ValPackett (Notes: Working on MT8167 upstreaming)
How to enter flash mode
Apply USB/power while holding the volume up button to get into BROM mode. See Mtkclient for more info.
Boot with the volume down button to enter fastboot (?)
Installation
UART

UART RX/TX pads are available near the SoC, partially obscured by the metal shielding. VBAT, VBUS, GND pads are also found labelled on the logic board.
Baud rate is 921600 like on other MediaTek devices.
See also
- Potentially relevant kernel sources: android_kernel_lenovo_mt8167 / -s
- Commit mentioning the "hx8394d_dsi_vdo_boe" display configuration used here
- Product spec sheet page (NOTE: the 3G edition (TB-7304I) uses a different SoC, MT8735D (?), with a Mali GPU)
- Panel timings and init sequence (BOE TV070WSM-TL0)