Samsung Galaxy Grand Max (samsung-grandmax)
 |
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 | 4.4 |
| Extended version | 5.1.1 |
| postmarketOS | |
| Category | community |
| Pre-built images | yes |
| postmarketOS kernel | Mainline |
| Unixbench Whet/Dhry score | 1084.5 |
| Optional Generic Port | Generic MSM8909 (qcom-msm8909) |
| Flashing |
Works |
|---|---|
| USB Networking |
Works |
| Internal storage | |
| SD card | |
| Battery |
Works |
| Screen |
Works |
| Touchscreen |
Works |
| Multimedia | |
| 3D Acceleration |
Works |
| Audio |
Works |
| Camera |
Broken |
| Camera Flash | |
| Connectivity | |
| WiFi |
Works |
| Bluetooth |
Works |
| GPS | |
| Modem | |
| Calls |
Works |
| SMS |
Works |
| Mobile data |
Works |
| Miscellaneous | |
| FDE |
Works |
| USB OTG |
Works |
| HDMI/DP | |
| Sensors | |
| Accelerometer |
Partial |
| Ambient Light |
Broken |
| Proximity |
Broken |
| Haptics | |
| Barometer | |
| 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 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