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Reviving the Legend: Installing Android 10 on the Samsung Galaxy S3
The Samsung Galaxy S3 (GT-i9300) is one of the most iconic Android devices in history. While the official software support ended years ago (stuck on Android 4.3 Jelly Bean), the developer community has kept this device alive.
Installing a modern operating system like Android 10 on hardware from 2012 is a testament to the modding community, but it requires specific knowledge about custom recoveries, file formats, and device variants. samsung s3 custom rom android 10 link
Phase 2: Wipe and Flash
In TWRP, go to Wipe > Advanced Wipe.
Check: Dalvik / ART Cache, System, Data, Cache. (Do not wipe Internal Storage if your ROM is on there).
Go back to Install.
Navigate to your microSD card where you saved the lineage-17.1-UNOFFICIAL-i9300.zip.
Select the ROM zip. Add more Zips -> Add the open_gapps-arm-10.0-pico.zip.
This is for the International Exynos model (GT-I9300) only. Other variants (US/Canadian) have locked bootloaders and are not compatible.
Custom ROMs are not official Samsung software. Proceed at your own risk.
You will need to unlock the bootloader, install a custom recovery (TWRP), and root the device first.
Bugs may exist (e.g., RIL, camera, or Bluetooth issues depending on the build).
Performance Tips
Disable animations in Developer Options (0.5x or off).
Use a lighter launcher (Lawnchair or Niagara).
Avoid heavy multitasking.
Overclock kernel (if supported by ROM) – not recommended for stability.
Prerequisites
Samsung Galaxy S3 GT-I9300 (International version – do not use on US carrier variants like SGH-I747 or SPH-L710).
Custom Recovery – TWRP (Team Win Recovery Project) version 3.3.0 or newer.
MicroSD card (recommended) or USB OTG for transferring ROM and GApps.
Backup – Backup your EFS partition, IMEI, and personal data.
Battery – Charge to at least 70%.
Why Install an Android 10 Custom ROM on Your S3?
Before we get to the download links, let’s address the "why." You might have a perfectly functioning S3 sitting in a drawer. Here is what Android 10 brings to the table: In TWRP, go to Wipe > Advanced Wipe
Security Updates: The stock ROM is vulnerable to hundreds of known exploits. Android 10 ROMs include security patches from 2020 onwards.
Modern UI: You get gesture navigation, dark mode (system-wide), and the modern notification panel.
App Compatibility: Many banking, social media, and productivity apps no longer support Android 4.3. Android 10 ensures the latest apps run smoothly.
Performance: Surprisingly, a lean Android 10 custom ROM (like LineageOS 17.1) runs faster on the S3 than the bloated TouchWiz UI from 2012.
Maksimovskaia LN, Krutov VA, Kuprin PV, Kuprina MA. Direct restoration of the tooth crown using various core build-up materials. Stomatology.
2017;96(1):33‑39. (In Russ.)
https://doi.org/10.17116/stomat201796133-39
The aim of the study was to assess direct restorations mechanical properties (both in vitro and in vivo) to improve dental restorations quality after root canal treatment. Laboratory tests showed that using nanocomposite materials of dual curing with the fiberglass reinforced posts improves restoration strength in endodontically treated teeth: by 3.9±5.8% in class II Peroz restorations, 12.6±5.9 and 24.2±4.2% in class III and IV, correspondently. Using fiberglass reinforced posts (LuxaPost) for the restoration of the tooth crown after endodontic treatment significantly decreases the number of complications associated with marginal leakage of the restoration during first 2 years after treatment (p<005).
GBOU VPO 'Moskovskij gosudarstvennyj mediko-stomatologicheskij universitet im. A.I. Evdokimova' Minzdrava Rossii, Rossijskaja Federatsija
Kuprin P.V.
GBOU VPO 'Moskovskij gosudarstvennyj mediko-stomatologicheskij universitet im. A.I. Evdokimova' Minzdrava Rossii, Rossijskaja Federatsija
Kuprina M.A.
GBOU VPO 'Moskovskij gosudarstvennyj mediko-stomatologicheskij universitet im. A.I. Evdokimova' Minzdrava Rossii, Rossijskaja Federatsija
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Reviving the Legend: Installing Android 10 on the Samsung Galaxy S3
The Samsung Galaxy S3 (GT-i9300) is one of the most iconic Android devices in history. While the official software support ended years ago (stuck on Android 4.3 Jelly Bean), the developer community has kept this device alive.
Installing a modern operating system like Android 10 on hardware from 2012 is a testament to the modding community, but it requires specific knowledge about custom recoveries, file formats, and device variants.
Phase 2: Wipe and Flash
In TWRP, go to Wipe > Advanced Wipe.
Check: Dalvik / ART Cache, System, Data, Cache. (Do not wipe Internal Storage if your ROM is on there).
Go back to Install.
Navigate to your microSD card where you saved the lineage-17.1-UNOFFICIAL-i9300.zip.
Select the ROM zip. Add more Zips -> Add the open_gapps-arm-10.0-pico.zip.
Swipe to confirm flash.
(Optional) Flash Magisk for root.
Tap Wipe cache/dalvik.
Reboot System.
First boot takes 10–15 minutes. Do not touch the phone.
⚠️ Important Notes Before You Begin
This is for the International Exynos model (GT-I9300) only. Other variants (US/Canadian) have locked bootloaders and are not compatible.
Custom ROMs are not official Samsung software. Proceed at your own risk.
You will need to unlock the bootloader, install a custom recovery (TWRP), and root the device first.
Bugs may exist (e.g., RIL, camera, or Bluetooth issues depending on the build).
Performance Tips
Disable animations in Developer Options (0.5x or off).
Use a lighter launcher (Lawnchair or Niagara).
Avoid heavy multitasking.
Overclock kernel (if supported by ROM) – not recommended for stability.
Prerequisites
Samsung Galaxy S3 GT-I9300 (International version – do not use on US carrier variants like SGH-I747 or SPH-L710).
Custom Recovery – TWRP (Team Win Recovery Project) version 3.3.0 or newer.
MicroSD card (recommended) or USB OTG for transferring ROM and GApps.
Backup – Backup your EFS partition, IMEI, and personal data.
Battery – Charge to at least 70%.
Why Install an Android 10 Custom ROM on Your S3?
Before we get to the download links, let’s address the "why." You might have a perfectly functioning S3 sitting in a drawer. Here is what Android 10 brings to the table:
Security Updates: The stock ROM is vulnerable to hundreds of known exploits. Android 10 ROMs include security patches from 2020 onwards.
Modern UI: You get gesture navigation, dark mode (system-wide), and the modern notification panel.
App Compatibility: Many banking, social media, and productivity apps no longer support Android 4.3. Android 10 ensures the latest apps run smoothly.
Performance: Surprisingly, a lean Android 10 custom ROM (like LineageOS 17.1) runs faster on the S3 than the bloated TouchWiz UI from 2012.
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