Samsung Galaxy Grand Max (samsung-grandmax)
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This page is about the dedicated port of this device. There is also an optional generic port available for this device - see Generic MSM8909 (qcom-msm8909). |
![]() Phosh | |
Manufacturer | Samsung |
---|---|
Name | Galaxy Grand Max |
Codename | samsung-grandmax |
Released | 2015 |
Type | handset |
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 |
Software | |
Original software | Android |
Original version The version the device was shipped with. |
4.4 |
Extended version The most recent supported version from the manufacturer. |
5.1.1 |
postmarketOS | |
Category | community |
Pre-built images Whether pre-built images are available here. |
yes |
pmOS kernel The kernel version that runs on the device's port. |
Mainline |
Unixbench score Unixbench Whetstone/Dhrystone score. See Unixbench. |
1084.5 |
Optional Generic Port | Generic MSM8909 (qcom-msm8909) |
Flashing It is possible to flash the device with pmbootstrap flasher . |
Works
|
---|---|
USB Networking After connecting the device with USB to your PC, you can connect to it via telnet (initramfs) or SSH (booted system). |
Works
|
Battery Charging and battery level reporting works |
Works
|
Screen Display works. Ideally with sleep mode and brightness control. |
Works
|
Touchscreen |
Works
|
Multimedia | |
3D Acceleration |
Works
|
Audio Audio playback, microphone, headset and buttons. |
Works
|
Camera |
Broken
|
Connectivity | |
WiFi |
Works
|
Bluetooth |
Works
|
GPS |
Untested
|
Modem | |
Calls |
Works
|
SMS |
Works
|
Mobile data |
Works
|
Miscellaneous | |
FDE Full disk encryption and unlocking with unl0kr. |
Works
|
USB OTG USB On-The-Go or USB-C Role switching |
Works
|
Sensors | |
Accelerometer Auto screen rotation works in desktops e.g. Phosh or Plasma Mobile |
Partial
|
Ambient Light |
Broken
|
Proximity |
Broken
|
This device is based on the Snapdragon 410. See the SoC page for common tips, guides and troubleshooting steps |
Users owning this device
- Bolilingmeng89006 (Notes: grandmaxlteub)
- WonderfulShrineMaidenOfParadise
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 and 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 | + (without ). Pressing 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