Samsung Galaxy Grand Max (samsung-grandmax)
![]() Phosh | |
Manufacturer | Samsung |
---|---|
Name | Galaxy Grand Max |
Codename | samsung-grandmax |
Released | 2015 |
Category | community |
Pre-built images | yes |
Original software | Android |
Original version | 4.4 |
Extended version | 5.1.1 |
postmarketOS kernel | Mainline |
Hardware | |
Chipset | Qualcomm Snapdragon 410 (MSM8916) |
CPU | 4x 1.2 GHz Cortex-A53 |
GPU | Adreno 306 |
Display | 720 x 1280 |
Storage | 16 GB |
Memory | 1.5 GB |
Architecture | ARMv7 |
Type | handset |
Unixbench Whet/Dhry score | 1084.5 |
USB Networking |
Works |
---|---|
Flashing |
Works |
Touchscreen |
Works |
Display |
Works |
WiFi |
Works |
FDE |
Works |
Mainline |
Works |
Battery |
Works |
3D Acceleration |
Works |
Audio |
Works |
Bluetooth |
Works |
Camera |
Broken |
GPS | |
Mobile data |
Works |
Internal storage | |
SMS |
Works |
Calls |
Works |
USB OTG |
Works |
Accelerometer |
Partial |
---|---|
Ambient Light |
Broken |
Proximity |
Broken |
Barometer | |
Power Sensor | |
Built-in DVB | |
---|---|
Camera Flash | |
Keyboard | |
Touchpad | |
USB-A | |
HDMI/DP | |
Ir TX | |
Ir RX | |
Stylus | |
Memory Card | |
Haptics | |
Ethernet | |
FOSS bootloader | |
This device is based on the Snapdragon 410. See the SoC page for common tips, guides and troubleshooting steps |
Users owning this device
- WonderfulShrineMaidenOfParadise (Notes: armv7)
Architecture
Note: Even though MSM8916 is capable of aarch64, the firmware of some variants were never updated with aarch64 support. Therefore, this device can only boot mainline on armv7 at the moment. |
Variants
Model | Codename | Architecture | Supported | lk2nd |
---|---|---|---|---|
SM-G7200 | grandmaxltezc | armv7 | ? | ? |
SM-G7202 | grandmax3gdd | aarch64 | ? | ? |
SM-G720AX | grandmaxlteub | armv7 | Y | Y |
SM-G720N0 | grandmaxltekx | armv7 | ? | ? |
Installation
lk2nd is a secondary bootloader that provides a standard fastboot interface, which can be used to boot postmarketOS without Android boot
flashed or pmbootstrap flasher flash_kernel
.
- Download lk2nd-msm8916.img from Releases page on Github.
- Boot your phone to bootloader (Odin/Download) mode by holding Volume Down and Home while powering up.
- Follow lk2nd instructions to install lk2nd. Basically flash it to the boot partition (
heimdall flash --BOOT lk2nd-msm8916.img
) - Follow Qualcomm_Snapdragon_410/412_(MSM8916)#Installation to install postmarketOS.
Note: Enter lk2nd fastboot mode by pressing only Volume Down + Power (without Home). Pressing Home additionally will bring you to the Samsung Download mode. |
Audio
WARNING: The speakers are rather loud on 100% volume and may produce distorted sound that may damage your speakers after long use. Please make sure to use reasonable volumes - your ears and your speaker will thank you! |
LEDs
The LEDs on the touchkey are gpio-leds
, which can be controlled by subsystem leds
and udev rules.
More information on LEDs handling can be found at: LEDs.
Battery
Actually a sec-fuelgauge
with rt5033-battery
driver.
Flash LED
Currently WIP. It can be controlled with SG Micro SGM3140 charge pump LED driver[1].
Accelerometer
lis2hh12
accelerometer is not so stable for auto screen rotation, which suggests you to use fixed portrait or landscape mode.
Ambient Light/Proximity Sensor
The driver for cm36686
ambient light/proximity sensor is not available.
See also
- Samsung Galaxy E7 (samsung-e7)
- Samsung Galaxy E5 (samsung-e5)
- Samsung Galaxy Grand Prime (samsung-gprime)
- Device package
- Firmware package