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Amazon Fire 7 2019 (amazon-mustang)

From postmarketOS Wiki
Revision as of 17:17, 8 June 2020 by StandaSK (talk | contribs) (Add device & kernel package links)
Amazon Fire 7 (2019)
Amazon Fire 7 showing the weston demo UI
Amazon Fire 7 showing the weston demo UI
Manufacturer Amazon
Name Fire 7 (2019)
Codename amazon-mustang
Released 2019
Hardware
Chipset MediaTek MT8163V/B (64-bit quad-core)
CPU 4x 1.3 GHz Cortex-A53
GPU Mali-T720 MP2
Display 600x1024 IPS
Storage 16 GB
Memory 1 GB
Architecture armv7
Software
Original software Android 7.1.1 (Fire OS 6)
postmarketOS
Category testing
Pre-built images no
postmarketOS kernel 4.9.77
Features
Flashing
Partial
USB Networking
No data
Internal storage
No data
SD card
No data
Battery
No data
Screen
Works
Touchscreen
Works
Multimedia
3D Acceleration
No data
Audio
No data
Camera
No data
Camera Flash
No data
Connectivity
WiFi
No data
Bluetooth
No data
GPS
No data
NFC
No data
Modem
Calls
No data
SMS
No data
Mobile data
No data
Miscellaneous
FDE
No data
USB OTG
No data
HDMI/DP
No data
Sensors
Accelerometer
No data
Magnetometer
No data
Ambient Light
No data
Proximity
No data
Hall Effect
No data
Haptics
No data
Barometer
No data


Contributors

  • NoriTech

Maintainer(s)

  • NoriTech

Users owning this device


How to unlock bootloader

The bootloader can now be through a hardware method: https://forum.xda-developers.com/amazon-fire/orig-development/fire-7-2019-mustang-unbrick-downgrade-t3944365

How to enter flash mode

Press and hold Power + Volume Up

Installation

Due to the fact that fastboot doesn't work even after using the amonet exploit, you will need to export the boot image and flash it with twrp. Then flash this dummy zip which will force twrp to reapply the amonet exploit.

Another option is exporting a flashable zip that can be flashed using twrp. Refer to Installation Guide for postmarketOS

Amonet

Amonet is lk exploit used to boot unsigend kernel. Sources of amonet are avalible here: https://github.com/xyzz/amonet/tree/mustang. This exploit is installed by bootrom exploit. But probably some 2nd stage bootloader is good idea.

Mainlining

There is some work on mt8163 mainline, for amazon-karnak, but it will be easy to get it on mustang. For now serial console and simplefb is working. Pwrap and pmic seems to be working. https://github.com/mt8163-mainline/linux

Device problems

  • Mainline is not yet usable.
  • Panfrost (driver for mali-t720) is wip, and not avalible in downstream (Merged in linux 5.2)
  • This device use exploit due to locked bootloader. See #Amonet.
  • This device's bl is not very good for running linux, due to it appends much of bad cmdline params, and some things in device tree.

See also