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PocketBook Touch HD (pocketbook-pb631)

From postmarketOS Wiki
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.
PocketBook Touch HD
PocketBook Touch HD
PocketBook Touch HD
Manufacturer PocketBook
Name Touch HD
Codename pocketbook-pb631
Released 2017
Type ebook reader
Hardware
Chipset Freescale i.MX6 SoloLite
CPU 1.0 GHz Cortex-A9
GPU Vivante GC320/GC355 (2D only)
Display 1072 x 1448 E-Ink Carta
Storage 8 GB SanDisk Class 4 microSDHC
Memory 512 MB
Architecture armv7
Software
Original software PocketBook firmware
FOSS bootloader yes
postmarketOS
Category testing
Pre-built images
Whether pre-built images are available here.
no
Mainline
Instead of a Linux kernel fork, it is possible to run (Close to) Mainline.
partial
Features
Flashing
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
Charging and battery level reporting works
Works
Screen
Display works. Ideally with sleep mode and brightness control.
Works
Touchscreen
Works
Multimedia
Audio
Audio playback, microphone, headset and buttons.
Broken
Connectivity
WiFi
Works
Miscellaneous
FDE
Full disk encryption and unlocking with unl0kr.
Untested
USB OTG
USB On-The-Go or USB-C Role switching
Untested
Sensors
Hall Effect
Also known as flip cover sensor
Works
U-Boot
Primary Bootloader
It is possible to replace stock bootloader with U-Boot.
Works
Secondary Bootloader
It is possible to chainload U-Boot from stock bootloader.
Untested
Mainline
Latest versions of U-Boot are not broken and it is possible to use them.
Partial
Internal Storage
It is possible to boot from internal storage (e.g. eMMC or UFS).
Works
SD card
It is possible to boot from SD card.
Broken
USB Host
It is possible to boot from a USB storage or connect a keyboard.
Untested
USB Peripheral
It is possible to use device as a peripheral in U-Boot, e.g. for fastboot mode.
Works
Display
Broken
Buttons
It is possible to navigate in boot menu or grub with volume and power buttons.
Works

Another i.MX6 e-book reader, with external SD card slot and audio codec (rt5640)

Contributors

Users owning this device


How to enter flash mode

There is no flash mode to flash pmOS, follow the instructions below to flash pmOS to the internal SD card.

Installation

Insert the internal SD card into a SD card reader, and connect it to your PC. Follow the instructions below to flash postmarketOS to the SD card:

Use pmbootstrap to build your own installation image.

$ pmbootstrap init # select pocketbook-pb631
$ pmbootstrap install --sdcard /dev/[sdcard] # replace [sdcard] with your SD card's blockdevice


Mainline status

Display

This device uses ED060KG1 screen, works well with EPDC patches.

WLAN

RTL8189FTV, works with out of tree driver. The driver needs this patch for Linux 6.14.

Audio

RT5640 codec (used for the headphone port) does not seem to be supported on i.MX6 platform.

Mainline U-Boot

U-Boot works and can load Linux from internal SD card. External SD card slot does not work.

See also