Samsung Galaxy Grand Max (samsung-grandmax)
|Name||Galaxy Grand Max|
|Original software||Android 4.4 / 5.1.1|
|Chipset||Qualcomm Snapdragon 410 (MSM8916)|
|CPU||4x 1.2 GHz Cortex-A53|
|Display||720 x 1280|
|Architecture||armv7 / aarch64|
|Unixbench Whet/Dhry score||1084.5|
|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)
|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.|
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 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.|
|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!|
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.
rt5033-charger driver is not available, so the charging is not controlled and there is no charging status reporting.
There was a forgotten patch from 2015 on the kernel mailing list. Jakko picked up the work on top of that, and the review started in February 2023 .
rt5033-charger driver issue. It's currently unable to power up a USB device in mainline; in some cases, it may be possible to use OTG with an USB hub that supports an external power supply.
Currently WIP. It can be controlled with SG Micro SGM3140 charge pump LED driver.
lis2hh12 accelerometer is not so stable for auto screen rotation, which suggests you to use fixed portrait or landscape mode.
Touchkey type is unknown, so there is nothing done for it.
Ambient Light/Proximity Sensor
The driver for
cm36686 ambient light/proximity sensor is not available.