Lenovo Tab 7 Essential (lenovo-tb-7104i)
Not to be confused with the Lenovo Tab3 7 Essential (lenovo-tb3-710i) or the Lenovo Tab 7 Essential (lenovo-tb7304f).
| 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. Status: In progress, just started |
 TB-7104I running Xfce | |
| Manufacturer | Lenovo |
|---|---|
| Name | Tab 7 Essential |
| Codename | lenovo-tb-7104i |
| Model | TB-7104I |
| Released | 2017 |
| Type | tablet |
| Hardware | |
| Chipset | MediaTek MT8321 |
| CPU | 4× ARM Cortex-A7 @ 1.3 GHz |
| GPU | ARM Mali-400 MP2 |
| Display | 1024×600 |
| Memory | 1 GB DDR3 |
| Architecture | armv7 |
| Software | |
Original software  The software and version the device was shipped with. |
Android 8.1 Oreo Go |
Extended version The most recent supported version from the manufacturer. |
Android |
| postmarketOS | |
| Category | downstream |
Mainline Instead of a Linux kernel fork, it is possible to run (Close to) Mainline. |
no |
pmOS kernel The kernel version that runs on the device's port. |
3.18.79 |
Flashing Whether it is possible to flash the device with pmbootstrap flasher. |
Partial
|
|---|---|
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. |
Works
|
Screen Whether the display works; ideally with sleep mode and brightness control. |
Partial
|
Touchscreen |
Works
|
| Multimedia | |
3D Acceleration |
Broken
|
Audio Audio playback, microphone, headset and buttons. |
Works
|
Camera |
Broken
|
| Connectivity | |
WiFi |
Broken
|
Bluetooth |
Broken
|
GPS |
Untested
|
| Modem | |
Calls |
Untested
|
SMS |
Untested
|
Mobile data |
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
|
Contributors
Users owning this device
- Flashbang Time (Notes: Porting pmOS)
UART
UART is available on test pads on the mainboard.
- Baud rate: 921600
- TX confirmed; RX pad not yet tested!
- Output is available from the MediaTek preloader, LK and the Linux userspace.
What works
- Display/framebuffer console
- Touchscreen
- Physical buttons
- USB networking
- Internal eMMC
- Audio
- SD card
- Accelerometer
What does not work
- Wi-Fi
- Bluetooth
- 3D acceleration
- Cameras
Untested
- GPS
- Cellular modem / Calls / SMS / Mobile data
- Suspend
- USB OTG