This guide covers installing an AOSP-based Android 10 custom ROM (LineageOS 17.1) on the Samsung Galaxy A5 2017 (a5y17lte). Android 10 was Google’s tenth major release and the first to drop the dessert naming. Since Samsung ended updates at Android 8.0 Oreo, a community ROM is the way to run Android 10 on the phone.
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Samsung Galaxy A5 2017 overview
The Galaxy A5 2017 (codename a5y17lte) launched in January 2017. It has a 5.2-inch Full HD (1080 x 1920) Super AMOLED display, an octa-core Exynos 7880 processor, and 3GB of RAM, with 32/64GB of storage expandable up to 256GB. It has a 16MP (f/1.9) rear camera, a 16MP front camera, and a front fingerprint sensor, backed by a 3,000mAh battery. It shipped on Android 6.0.1 Marshmallow and was updated to Android 8.0 Oreo, its last official version.

About Android 10
Android 10 added a system-wide dark theme, full gesture navigation, Live Caption, Smart Reply in notifications, Focus mode, and tighter privacy and location controls, including more granular app permissions.
- Live Caption: automatically captions media playing on the phone.
- Smart Reply: suggests responses and actions for incoming messages.
- Sound Amplifier: boosts audio and filters background noise.
- Gesture navigation: smoother full-screen gestures.
- Dark theme: a system-wide dark mode.
- Privacy and location controls: finer control over what apps can access and when.
- Focus mode: part of Digital Wellbeing, to mute distracting apps.
How to install Android 10 on the Galaxy A5 2017
You need an unlocked bootloader and TWRP before flashing. Go through the requirements and downloads below first.
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Prerequisites
- This ROM is for the Galaxy A5 2017 (a5y17lte) only.
- Unlock the bootloader first.
- Download the ROM and the Android 10 GApps from the links below.
- Charge the phone to at least 60%.
- Take a full backup of your data.
Download Links
- LineageOS 17.1 (choose the a5y17lte build) | Link
- Download Android 10 GApps
- Download and install Samsung USB Drivers
- Instructions to install TWRP Recovery on the Galaxy A5 2017 (flashed with Odin)
Instructions to install
- Copy the ROM ZIP and the GApps file to the phone’s internal storage.
- Boot the Galaxy A5 2017 into TWRP recovery.
- Go to Wipe, tap Advanced Wipe, select Data, System, Vendor, and Cache, then swipe to wipe.
- Go to Install, select the ROM ZIP, and swipe right to flash it.
- To add Google apps, go to Install again, select the GApps ZIP, and swipe right to flash it.
- Reboot into the new system. The first boot takes a few minutes.
FAQ
Did the Galaxy A5 2017 get Android 10 officially?
No. Samsung ended updates at Android 8.0 Oreo, so Android 10 is only available through community ROMs like LineageOS 17.1.
Do I need to flash GApps separately?
Yes. Most AOSP ROMs ship without Google apps, so flash a matching Android 10 GApps package during installation if you want the Play Store.
Is this ROM stable for daily use?
As a community build it can have bugs. Check the XDA thread for the current status before relying on it as a daily driver.

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