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Samsung Galaxy J8 (2018)
Summary of what works and doesn't
Works by default Camera(Only 1 of them though , secondary for live focus thing on stock is disabled) Speaker / Mic,Bluetooth,WiFi , SIM / Mobile Data / Voice ,VoLTE,Offline Charging work (on android 10 vendor , on android 9 vendor offline charging works but you gotta reboot phone with holding down all keys for it to not be stuck on charge logo )
Works after installing patches Lockscreen security(pin,password,graphic key) and fingerprint sensor
DOES NOT WORK MTP
To install gsi you need
- UNLOCKED BOOTLOADER ( THIS MANUAL WILL PRESUME YOU GONE AHEAD AND ALREADY DID THIS)
- ALWAYS KEEP STOCK FIRMWARE FILES ON YOUR PC - IF YOU MESS UP EVEN 1 STEP OF THIS MANUAL - YOU MUST REFLASH STOCK
Depending on your vendor you must use twrp either from https://forum.xda-developers.com/android/development/recovery-twrp-3-3-1-0-galaxy-j8-j810m-f-t3962423 (android 9 ) or https://sourceforge.net/projects/samsung-j8y18lte/files/TWRP/ for android 10
- Dowloand odin 3.14.4 for android 10 or if you have android 9 odin 3.13.3
- Flash appropriate for your vendor twrp with auto-restart disabled
- Format Data in wipe menu( Not factory reset )
- Install AnyKernel3-j8y18lte-goldfish07.zip from android 10 twrp link ( its basically a combined together encryption and dm-verity disabler)
- Install magisk , and reboot into system - and complete first setup wizard
- Dowloand the gsi you picked and reboot into twrp
- Make an advanced wipe in twrp of “Dalvik / ART Cache”, “System”, “Data”, and “cache”
- In the install menu in twrp select install image - and select the gsi image that you downloaded
- Flash AnyKernel3-j8y18lte-goldfish07.zip, Disable-Force-Encryption-Treble.zip
- Optionally flash tryfix_j8_lockscreen.zip
| Component | Comment |
|---|---|
| Camera | Status Works |
| Speaker / Mic | Status Works |
| Bluetooth | Status Works |
| WiFi | Status Works |
| SIM / Mobile Data / Voice | Status Works |
| VoLTE | Status Works |
| Fingerprint,lockscreen | Status Needs fingerprint sensor patch for working |
| Offline Charging | Status On android 10 vendor - fine, on android 9 vendor gets stuck on charge logo |