Samsung Galaxy J8 2018 (samsung-j8y18lte)
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File:Samsung-j8y18lte.png Samsung Galaxy J8 (2018) with GNOME | |
| Manufacturer | Samsung |
|---|---|
| Name | Galaxy J8 (2018) |
| Codename | samsung-j8y18lte |
| Released | 2018 |
| Type | handset |
| Hardware | |
| Chipset | Qualcomm Snapdragon 450 (MSM8953) |
| CPU | Octa-core 1.8 GHz Cortex-A53 |
| GPU | Adreno 506 |
| Display | 720 x 1480 (5.9", AMOLED) |
| Storage | 32/64 GB |
| Memory | 3/4 GB |
| Architecture | aarch64 |
| Software | |
| Original software | Android |
| Original version | 10 |
| postmarketOS | |
| Category | testing |
| Pre-built images | no |
| Mainline | no |
| Flashing |
Works |
|---|---|
| USB Networking |
Works |
| Internal storage | |
| SD card | |
| Battery |
Works |
| Screen |
Works |
| Touchscreen |
Works |
| Multimedia | |
| 3D Acceleration |
Broken |
| Audio |
Broken |
| Camera |
Broken |
| Camera Flash | |
| Connectivity | |
| WiFi |
Works |
| Bluetooth |
Broken |
| GPS | |
| NFC |
Broken |
| Modem | |
| Calls | |
| SMS | |
| Mobile data | |
| Miscellaneous | |
| FDE |
Works |
| USB OTG |
Works |
| HDMI/DP | |
| Sensors | |
| Accelerometer |
Works |
| Magnetometer |
Broken |
| Ambient Light |
Broken |
| Proximity |
Broken |
| Hall Effect |
Works |
| Haptics | |
| Barometer | |
| This device is based on the Qualcomm Snapdragon 450 (MSM8953). See the SoC page for common tips, guides and troubleshooting steps |
Users owning this device
- Erfto1 (Notes: SM-J810F - Boots)
- Lucasredelive (Notes: SM-J810M - STOCK ROM - abandoned mainline)
How to enter flash mode
- Recovery: Power on the device by holding Volume Up and Power.
- Download: Hold Volume Up and Volume Down while plugging the device to a computer with an USB cable.
Unlocking the bootloader
- Enable developer mode by tapping on the build number seven times in Settings → About phone → Software information
- Return to the main settings page and go to the developer options
- In developer options, enable OEM unlocking. Make sure you have an internet connection if it doesn't show up.
Installation
- Unlock the bootloader if not done.
- Select
j8y18lteand Gnome UI withpmbootstrap init - Generate the rootfs with
pmbootstrap installto install postmarketOS to the phone orpmbootstrap install --sdcard /dev/sdXto install it on an SD card. - Generate the flashable images with
pmbootstrap export. They will be stored in/tmp/postmarketOS-export, or you can specify another location like this:pmbootstrap export /home/user/Downloads/pmos - Reboot into download mode
- Flash postmarketOS with
heimdall flash --BOOT /tmp/postmarketOS-export/boot.img --SYSTEM /tmp/postmarketOS-export/samsung-j8y18lte.img(replace the paths if necessary). If you installed to an SD card, specify only the BOOT argument. Also you may choose the bigger USERDATA partition for the system image. - The phone should reboot straight into postmarketOS.