This cannot be stressed enough: . The process of unlocking the bootloader and flashing a custom ROM will wipe your device clean. Use Samsung Smart Switch, Google Drive, or manual backups to save your photos, contacts, and other important files.
Before you can install a custom ROM on your J730F, you'll need to prepare your device:
Ensure your phone is strictly the SM-J730F . Flashing files meant for a different J7 variant (like the J730G or J730GM) can permanently brick your device.
Custom ROM installations require a full factory reset. Back up your photos, contacts, and documents to a cloud service or a PC.
Once TWRP is installed, follow these steps to install the new OS: j730f custom rom
The SM-J730F is a popular legacy device for the modding community. While official support ended with Android 9.0 Pie , custom ROMs extend its life by offering: Performance: Debloated versions of Samsung’s One UI. Longevity: Access to newer Android versions like Android 13 via LineageOS 20 Customization: Features like Edge Panels Always-On Display ported from the Note 20 or S8. 2. Top Custom ROM Options Highlights LineageOS 20 Android 13 Pure Android experience, highly stable, latest security. One UI 2.5 (Android 10) Ported from Galaxy Note 20; features Note 20 Edge Panels. Radical OS Android 10/11 Optimized for Exynos 7870; includes Phantom Kernel Android 8.1 Lightweight, focused on speed for older devices. 3. Essential Technical Requirements
Custom kernels and optimized code reduce background power drain.
: Using a PC and a tool called Odin , he flashed TWRP Recovery . The blue bar on the screen moved slowly, a digital heartbeat.
The Exynos 7870 platform has an active development scene. Depending on your preferences, the available ROMs generally fall into two categories: and AOSP/LineageOS Based ROMs . 1. LineageOS (Android 10, 11, or 12) This cannot be stressed enough:
Download and install the official Samsung USB Drivers on your Windows computer.
: If your ROM requires separate GApps, flash the GApps zip file immediately after the ROM, without rebooting.
Installing a custom ROM on your J730F involves several steps:
Enjoy modern features, security patches, and app permissions from newer Android builds. Before you can install a custom ROM on
Go back to the main menu, tap , and select Recovery . Your phone will restart back into TWRP. Step 4: Flash the Custom ROM
Boot into by pressing and holding the Volume Down + Home + Power buttons simultaneously until a warning screen appears. Press Volume Up to continue.
If you want, I can: