Lenovo Tab P11 (lenovo-tbj606f)

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Lenovo Tab P11
Lenovo Tab P11
Lenovo Tab P11
Manufacturer Lenovo
Name Tab P11
Codename lenovo-tbj606f
Released 2020
Category testing
Original software Android 10
Hardware
Chipset Qualcomm SM6115 Snapdragon 662
CPU 4x2.3 GHz Kryo 260 Gold + 4x1.8 GHz Kryo 260 Silver
GPU Adreno 610
Display 1200 x 2000
Storage 64/128GB
Memory 4/6GB
Architecture aarch64
Features
USB Networking
Flashing
Touchscreen
Display
WiFi
FDE
Mainline
Battery
3D Acceleration
Audio
Bluetooth
Camera
GPS
Mobile data
SMS
Calls
USB OTG
NFC
Sensors
Accelerometer
Magnetometer
Ambient Light
Proximity
Hall Effect
Misc
Ir TX
TrustZone


Contributors

  • MollySophia

Users owning this device

How to enter flash mode

Enter Fastboot

  • Power off the device, press POWER and VOL-, and release POWER key after a vibration, it should enter bootloader mode.
  • Use volume key to select 'Recovery Mode', then select 'Enter fastboot', which starts user-space fastbootd.
  • Alternatively, you can also use 'adb reboot fastboot'

Enter EDL Mode

  • Power off the device, press VOL+ and connect to the computer with usb cable.

Unlocking the bootloader

Note Note: You have to wait at least 8 hours after initially connecting to the Internet for Lenovo to process your serial number.
  1. Go to Settings → My Device, tap on ZUI Version until developer settings are enabled.
  2. Go to General Settings → Developer Settings and enable "OEM Unlocking".
  3. Boot into fastboot mode and connect it to a PC
  4. Take note of the serial number shown on the bootloader screen.
  5. Download your sn.img from http://cdn.zui.lenovomm.com/developer/tabletboot/(your_sn_number)/sn.img (Replace the brackets with your number in the link)
  6. Flash your sn.img with fastboot flash unlock sn.img.
  7. Unlock the bootloader with fastboot oem unlock-go

Alternatively this page can also be used to get the sn.img.

Notes

This device uses Qualcomm SM6115 chipset, which is almost the same as the SM4250 chipset OnePlus Nord N100 is using. Using stock kernel source from Lenovo website and the installation procedure OnePlus Nord N100 device page suggests, I got similar results with OnePlus Nord N100: USB Network and the vibrator are working, which indicates again that these two devices are fairly similar.

The vendor poorly released it's kernel. The kernel source code is older than the latest stock firmware (Android 10 : 0906, Android 11 has much later dated android builds and bootloader), and the kernel does not contain drivers for peripherals contained in later-built P11s, such as the touch screen driver for variants using the NovaTek touch panel. The kernel for android 11 is fully unreleased, although it is unknown if Android 10's kernel also works with the bootloader of Android 11. (Not even sure if it can be reverted.) If possible, it might be easier to go to the mainline route, than requesting the code to Lenovo. (Lenovo refused to provide the code.)

Installation

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See also