: This build was created by an independent developer rather than the official LineageOS team. "Unofficial" builds may include unique experimental features or bypass certain official quality standards. gtel3g : The specific device codename for the Samsung Galaxy Tab E 9.6 SM-T561 Go to product viewer dialog for this item. (the 3G-enabled model).

: Since LineageOS does not include Google Apps (GApps) by default, you'll need to download them separately.

If you have one of these tablets sitting in a drawer, flashing this specific build is the best way to return it to active service.

The "patched" version refers to a modified boot.img (the kernel/boot partition) created by XDA community members. By flashing this patched boot.img after flashing the main ROM ZIP, the tablet correctly recognizes all hardware components, leading to a smooth, functional system.

| Part | Meaning | |------|---------| | lineage14 | LineageOS 14 (based on Android 7.1 Nougat) | | 120180419 | Likely build date: April 19, 2018 | | unofficial | Not built by official LineageOS infrastructure; may contain custom patches or unsupported changes | | gtel3g | Device codename – Samsung Galaxy Grand Prime (SM-G530H / SM-G530FZ) 3G variant | | patched | Indicates the ZIP has been modified after original build (e.g., security patches, bug fixes, root, signature spoofing, or compatibility fixes) |

Using an "Unofficial patched" ROM carries inherent risks:

The custom ROM community stepped in to extend the life of the tablet. The specific build is a vital milestone for this hardware. It upgrades the device to Android 7.1.2 Nougat. It also includes critical patches that fix underlying hardware bugs. Technical Specifications and Context

Unofficial. This means it was maintained by independent developers (often found on forums like XDA-Developers) rather than the official LineageOS team. Date Stamp: April 19, 2018. What the "Patched" Designation Means

: This denotes that the device in question is a 3G-capable smartphone. The specification of "3g" could also imply that this build of LineageOS is optimized or intended for devices that operate on 3G networks, possibly due to limitations in hardware or network compatibility.

: While "patched," some users still report occasional freezes. Clearing the camera app cache usually fixes this.

TWRP (Team Win Recovery Project) specifically compiled for the gtel3g.

The Ultimate Guide to "lineage14120180419unofficialgtel3g patched": Reviving the Samsung Galaxy Tab E with LineageOS 14.1

: This refers to LineageOS, a free and open-source operating system for smartphones and tablets. It's a successor to the CyanogenMod project, which was discontinued in 2016. LineageOS is designed to breathe new life into older devices that no longer receive official updates from their manufacturers.

Boot into TWRP Recovery (Volume Up + Home + Power).

Spreadtrum chipsets are notoriously difficult to develop for because the manufacturer rarely releases comprehensive source code. Early custom ROMs for this device suffered from broken audio, non-functional cameras, and unstable cellular connectivity. The April 19, 2018 patched build resolved these long-standing bugs by integrating custom device trees and vendor blobs salvaged from similar platforms. Key Improvements in the Patched Build

Before attempting to flash , you need the following:

: Requires a custom recovery like TWRP to flash.

Back up all internal storage, as this process wipes the device.

To get Google Play Services. Magisk (optional): For root access. 4. Installation Guide (Patched Version) Follow these steps to flash the patched ROM securely: Transfer Files: Copy the zip files to your SD card. Enter Recovery: Boot the tablet into TWRP. Wipe System: Navigate to Wipe > Advanced Wipe and select: Dalvik Cache Internal Storage Swipe to Wipe.