Samsung Galaxy J4+ (samsung-j4primelte)
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: mainlining in progress |
![]() J4+ booting into postmarket OS | |
Manufacturer | Samsung |
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Name | Galaxy J4+ |
Codename | samsung-j4primelte |
Released | 2018 |
Type | handset |
Hardware | |
Chipset | Qualcomm Snapdragon 425 (MSM8917) |
CPU | 1.4 GHz Quad-core Cortex-A53 |
GPU | Adreno 308 |
Display | 720x1480 IPS |
Storage | 16/32 GB |
Memory | 2/3 GB |
Architecture | aarch64 |
Software | |
Original software The software and version the device was shipped with. |
Android 8.1 |
Extended version The most recent supported version from the manufacturer. |
Android 9.0 |
Mainline Instead of a Linux kernel fork, it is possible to run (Close to) Mainline. |
no |
Flashing It is possible to flash the device with pmbootstrap flasher . |
Works
|
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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 Charging and battery level reporting works |
Untested
|
Screen Display works. Ideally with sleep mode and brightness control. |
Broken
|
Touchscreen |
Untested
|
Multimedia | |
3D Acceleration |
Untested
|
Audio Audio playback, microphone, headset and buttons. |
Untested
|
Camera |
Untested
|
Connectivity | |
WiFi |
Untested
|
GPS |
Untested
|
Modem | |
Calls |
Untested
|
SMS |
Untested
|
Mobile data |
Untested
|
Miscellaneous | |
FDE Full disk encryption and unlocking with unl0kr. |
Untested
|
Sensors | |
Accelerometer Auto screen rotation works in desktops e.g. Phosh or Plasma Mobile |
Untested
|
Contributors
- EnderNightLord
- MacTavishAO
Maintainer(s)
- EnderNightLord
- MacTavishAO
Users owning this device
- EnderNightLord (Notes: original porting device)
- MacTavishAO
How to enter flash mode
1. power off the device.
2. press and hold the power button and both sound buttons
3. at the blue screen press the upper sound button
Notes
There is a problem with the graphics driver, that affects both the J4+ and the J6+. A mainline kernel is most likely needed to fix this issue.
Installation
See also
- pmaports!1201 Initial merge request (closed, not merged)