Samsung Galaxy Express SGH-I437 (samsung-expressatt)
![]() Samsung Galaxy Express SGH-I437 | |
Manufacturer | Samsung |
---|---|
Name | Galaxy Express SGH-I437 |
Codename | samsung-expressatt |
Released | 2012 |
Hardware | |
Chipset | Qualcomm Snapdragon S4 Plus (MSM8960) |
CPU | Dual-core 1.5 GHz Krait |
GPU | Adreno 225 |
Display | 480x800 AMOLED |
Storage | 8 GB |
Memory | 1 GB |
Architecture | armv7 |
Software | |
Original software | Android 4.0 - 4.1 |
postmarketOS | |
Category | testing |
Pre-built images | no |
Mainline | yes |
postmarketOS kernel | 3.4.106 |
Flashing |
Works |
---|---|
USB Networking |
No data |
Internal storage |
No data |
SD card |
No data |
Battery |
No data |
Screen |
Partial |
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
LogicalErzor
Maintainer(s)
LogicalErzor
Users owning this device
How to enter download/flash mode
Start powered off. From there, hold the
button, button, and button. Once the phone buzzes, release the button.There is also a way to enter Odin download mode without the 3 button combo (link). Instead of the resistor in this schematic being 150k or 619k, make it around 300k (which you could easily do with two 150k or 619k resistors). Will be useful if accidentally soft bricking device.
Installation
- Enter Flash Mode
- Flash pmOS using pmbootstrap flasher flash_rootfs
- Flash kernel using pmbootstrap flasher flash_kernel
Mainline Progress
Mainline progress can be found here: https://gitlab.com/LogicalErzor/mainline-kernel-pmos-aports
Also look at the SoC page for general tips and tricks: https://wiki.postmarketos.org/wiki/Qualcomm_Snapdragon_S4_Plus_(MSM8960)
Smallest CAF Kernel
Methodology: https://gitlab.com/LogicalErzor/find-closest-caf-tag (Can also use: https://gitlab.com/postmarketOS/wiki/-/issues/43)
Samsung Provided Kernel: https://gitlab.com/LogicalErzor/samsung-downstream-kernel
In order to find the smallest diff, I iterated over every tag. It seems like M8960AAAAANLYA106305 in the CAF kernel has the smallest size. Here is a list of the other tags: