Amazon Kindle 4 (amazon-yoshi)
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. Status: Booting with serial console, manual flashing required |
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| Manufacturer | Amazon |
|---|---|
| Name | Kindle 4 |
| Codename | amazon-yoshi |
| Released | 2011 |
| Type | ebook reader |
| Hardware | |
| Chipset |
Freescale NXP i.MX508 |
| CPU | 800MHz ARM Cortex A8 |
| GPU | ePXP+EPDC |
| Display | 6-inch (150 mm²), 600 × 800 pixels, 167 PPI density, 16-level grayscale |
| Storage | 2 GB |
| Memory | 256 MB |
| Architecture | armv7 |
| Software | |
Original software The software and version the device was shipped with. |
Kindle OS |
Extended version The most recent supported version from the manufacturer. |
Kindle OS |
| postmarketOS | |
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. |
5.15-rc6 |
Flashing Whether it is possible to flash the device with pmbootstrap flasher. |
Broken
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|---|---|
USB Networking After connecting the device with USB to your PC, you can connect to it via telnet (initramfs) or SSH (booted system). |
Broken
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Battery Whether charging and battery level reporting work. |
Broken
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Screen Whether the display works; ideally with sleep mode and brightness control. |
Broken
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Touchscreen |
Untested
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| Multimedia | |
3D Acceleration |
Broken
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Audio Audio playback, microphone, headset and buttons. |
Broken
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Camera |
Untested
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| Connectivity | |
WiFi |
Broken
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Bluetooth |
Broken
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GPS |
Untested
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NFC Near Field Communication |
Broken
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| Modem | |
Calls |
Untested
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SMS |
Untested
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Mobile data |
Untested
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| Miscellaneous | |
FDE Full disk encryption and unlocking with unl0kr. |
Broken
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USB OTG USB On-The-Go or USB-C Role switching. |
Broken
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| Sensors | |
Accelerometer Handles automatic screen rotation in many interfaces. |
Broken
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Contributors
- samcday
Users owning this device
How to enter flash mode
- Jailbreak your device by following the Kindle4NTHacking Jailbreak guide from MobileRead wiki.
- Follow the instructions on the Kindle4NTHacking page to set up USBnet and obtain a root shell.
- Write the image to main partition:
cat /tmp/postmarketOS-export/amazon-yoshi.img | ssh -oHostKeyAlgorithms=+ssh-rsa -oKexAlgorithms=+diffie-hellman-group1-sha1 root@192.168.15.244 "dd of=/dev/mmcblk0p1 bs=512"
- Reboot into fastboot mode:
idme -d --bootmode fastboot reboot
- Download and compile fread-installer-fastboot
- Flash kernel:
./fastboot flash kernel /tmp/postmarketOS-export/uImage && ./fastboot setvar bootmode main && ./fastboot reboot
- Congratulations, you now have a much less useful e-reader device. But it's running mainline Linux, so there's that at least!
Installation
See also
- pmaports!2636 Initial merge request
- i.MX508 product page