Lineage-14.1-20180419-unofficial-gtel3g
Technical Retrospective: LineageOS 14.1 Build lineage-14.1-20180419-UNOFFICIAL-gtel3g
Author: Community Developer (Legacy Build Maintainer)
Date of Artifact: April 19, 2018
Subject: Unofficial LineageOS 14.1 (Android 7.1.2 Nougat) for Samsung gtel3g (Galaxy Tab 3 7.0 LTE)
4.2 RIL (Radio Interface Layer) Adjustments
- Patched Samsung IPC protocol for LTE connectivity on
gtel3g.
- Resolved SIM detection delay (reduced from 45s to <10s post-boot).
Performance Benchmarks (Then vs. Now)
On the original stock Android 4.4.2:
- Antutu (v5): ~18,000
- Boot time: 90 seconds
- App opening (Chrome): 8 seconds
On lineage-14.1-20180419-UNOFFICIAL-gtel3g: lineage-14.1-20180419-UNOFFICIAL-gtel3g
- Antutu (v6): ~24,000
- Boot time: 45 seconds
- App opening (Chrome Lite/Bromite): 2.5 seconds
Review: lineage-14.1-20180419-UNOFFICIAL-gtel3g
Device: Samsung Galaxy Tab 3 (gtel3g / SM-T111)
Build Date: April 19, 2018
Android Version: 7.1.2 Nougat
Overall Rating: ⭐⭐⭐⭐ (4/5)
The Good:
- Performance Boost: This ROM breathes new life into the aging Galaxy Tab 3. Stock KitKat was sluggish, but LineageOS 14.1 makes the tablet feel responsive again. Basic tasks (browsing, video streaming, e-reading) run smoothly without major stutter.
- Modern Android Features: Having Nougat on a 2013 tablet is impressive. You get the modern notification shade, split-screen multitasking, and better Doze mode for battery savings.
- Clean & Bloat-Free: No Samsung TouchWiz lag or pre-installed apps. Just pure, lightweight AOSP with Lineage’s useful tweaks (like privacy guard and status bar customization).
- Stability (for an unofficial build): Wi-Fi, Bluetooth, audio, and GPS work reliably. I haven’t experienced random reboots or major app crashes in daily use.
The Not-So-Good:
- Outdated Security Patch: The build is from April 2018, so security patches are years old. Avoid installing sensitive apps (banking, payments) unless you trust the device for light use only.
- Bugs & Quirks:
- The rear camera works but can be slow to launch; the front camera sometimes fails to connect.
- Occasional graphical glitches when rotating the screen quickly.
- SELinux is permissive (common for unofficial builds), which may concern security purists.
- Battery Life: Slightly worse than stock KitKat—expect about 4–5 hours of screen-on time instead of 6–7. Doze helps in standby, though.
- No Over-the-Air Updates: Since it’s unofficial, you’ll need to manually flash newer builds (if any exist) via TWRP.
Who Is This For?
- Hobbyists who want to repurpose an old tablet as a dedicated media player, e-reader, or smart home dashboard.
- Users comfortable with manual flashing and willing to accept minor bugs.
Who Should Avoid?
- Anyone needing a daily driver for banking or sensitive data.
- Users who rely heavily on the camera or expect 100% hardware compatibility.
Final Verdict:
For a 2018 unofficial build, lineage-14.1-20180419-UNOFFICIAL-gtel3g is surprisingly usable and stable. It won’t win any speed contests, but it turns an obsolete tablet into a functional secondary device. Just remember its age and security limitations. Recommended for tinkerers and retro-tech fans.