partial bootloader-unlock-custom-rom phone Samsung a5y17lte SM-A520F, SM-A520F/DS, SM-A520K, SM-A520L, SM-A520S, SM-A520W, Galaxy A5 (2017), Samsung Galaxy A5 (2017) SM-A520FSM-A520F/DSSM-A520KSM-A520LSM-A520SSM-A520WGalaxy A5 (2017)Samsung Galaxy A5 (2017)

Samsung Galaxy A5 (2017)

Phone · Samsung
Partial Bootloader unlock + custom ROM
Difficulty
Moderate
Brick risk
Medium
Legal risk
Low

Not stock root. Needs an unlocked bootloader and a custom ROM.

US carrier Samsung Snapdragon models (AT&T/Verizon/T-Mobile/Sprint/US Cellular) are typically bootloader-locked and cannot be unlocked.

How-to

How to

LineageOS official build: unlock bootloader (fastboot/OEM), flash LineageOS recovery + ROM. Mainline Linux alternative via postmarketOS (testing).

Follow the specialist sources linked on this page. If this path is a jailbreak, unlock, or flash, the specialist wiki is the how-to — we do not copy those steps here.

Notes

Some TWRP and postmarketOS builds for this device are based on LineageOS device trees.

postmarketOS builds for this device are based on LineageOS kernel source.

Install with Heimdall.