Samsung Galaxy A7 2018 (samsung-a7y18lte)

Features
Flashing	Partial
USB Networking	Works
Internal storage
SD card
Battery	Works
Screen	Works
Touchscreen	Works
Multimedia
3D Acceleration	Broken
Audio	Broken
Camera	Broken
Camera Flash
Connectivity
WiFi	Works
Bluetooth
GPS	Broken
NFC
Modem
Calls	Broken
SMS	Broken
Mobile data	Broken
Miscellaneous
FDE
USB OTG	Works
HDMI/DP
Sensors
Accelerometer	Works
Magnetometer
Ambient Light
Proximity
Hall Effect
Haptics
Barometer

Samsung Galaxy A7 (2018)
	; samsung-a7y18lte
Manufacturer	Samsung
Name	Galaxy A7 (2018)
Codename	samsung-a7y18lte
Released	2018
Type	handset
Hardware
Chipset	Samsung Exynos 7885
CPU	2 x Cortex-A73 2.2GHz, 6 x Cortex-A53 1.6GHz
GPU	Mali-G71 MP2
Display	1080x2220 Super AMOLED
Storage	64GB
Memory	4GB
Architecture	aarch64
Software
Original software	Android
Original version	10
postmarketOS
Category	testing
Pre-built images	no
Mainline	no
postmarketOS kernel	4.4.177

Note: This page is about 2018 version of Samsung Galaxy A7.

Maintainer(s)

M0Rf30

Users owning this device

Choc (Notes: running pmOS)
M0Rf30
Misopog (Notes: Stock, like new)
Taijigong
WiiPlayer2 (Notes: tried mainlining pmOS)

How to enter flash mode

In a turned off state, press Volume Up + Volume Down + Power then press Volume Up to continue.

How to go back to TWRP

If you're stuck in system loading and you can't enter the Download mode, press Volume Down + Power to force shutdown. At reboot (on Samsung logo and vibration), press Volume Up + Power until the recovery splash comes out.

Installation

Like other heimdall phones, heimdall doesn't seem to like the subpartitions in the SYSTEM partition. It's recommended to use the android recovery zip installer with TWRP on the phone, but you can also install to an SD card/USB Drive and flash the boot.img using heimdall.

NOTE: On firmware versions later than Dec 2021, TWRP may have graphical glitches and/or bootloop (unbrick by draining/disconnecting battery). It is recommended to downgrade your firmware version.

Installing with recovery

$ pmbootstrap install --android-recovery-zip
$ pmbootstrap export

Then copy the zip to an SD card or similiar and install it from TWRP.

Installing to external SD/USB

$ pmbootstrap install --sdcard=<SDCARD/USB LOCATION>
$ pmbootstrap flasher flash_kernel

Other details

3 variants are reported from the following dts files:

exynos7885-a7y18lte_eur_open_00.dts (rev00) SM-A750G (Hong Kong)
exynos7885-a7y18lte_eur_open_01.dts (rev01) SM-A750F/DS (EMEA)
exynos7885-a7y18lte_eur_open_03.dts (rev02) SM-A750FN/DS (Europe)