Because the A13 5G development scene is still small, your best sources are:

Transfer your chosen GSI .img file or custom ROM .zip file to your phone's internal storage or an external MicroSD card.

| Disadvantage | Explanation | |--------------|-------------| | | Samsung Pay, Secure Folder, and other Knox‑dependent features will be permanently lost. | | Potential Brick | A wrong flash (e.g., a GSI for a different architecture) can hard‑brick the device, requiring a full firmware re‑flash via Odin or a professional box. | | Unstable Experience | GSIs are not optimised for the A13 5G. Expect occasional app crashes, battery drain, or hardware features (NFC, FM radio) that may not work. | | No Warranty | Flashing a custom ROM voids your warranty in most regions. | | Security | An unlocked bootloader makes the device more vulnerable to physical attacks (but this rarely affects everyday users). |

Go to and tap Build Number 7 times to enable Developer Options.

The Samsung Galaxy A13 5G Go to product viewer dialog for this item.

A is often needed to flash GSIs and manage backups. An unofficial TWRP build exists for the SM‑A135M (the 4G Exynos model). Because the A13 5G uses a different chipset, there is no dedicated TWRP for the 5G version yet . A 2026 XDA thread titled “Any development for the A13 5G(sm‑a136b)?” directly asks for “twrp or custom rom or root or anything” for the MediaTek version, and the thread creator notes that no dedicated thread exists . Consequently, most guides use fastboot (via the bootloader) to flash GSIs directly.

The Samsung Galaxy A13 5G is a popular budget device, but its One UI Core software can sometimes feel heavy or restrictive. Installing a custom ROM is the best way to unlock the full potential of its Dimensity 700 chipset, improve performance, and get a cleaner Android experience. Prerequisites Before You Begin

These ROMs attempt to mimic the Google Pixel software.

: An alternative Linux-based OS currently in development for the A13. Key Prerequisites and Risks

I can provide the specific links, files, and targeted command lines for your exact setup! Share public link

: If your ROM doesn’t include Google services, flash GApps (Google Apps) in a similar manner.

user wants a long article about custom ROMs for the Samsung A13 5G. I need to follow the search plan to gather comprehensive information. I'll start by opening the provided initial links to get an overview. initial links might be blocked or not accessible. I'll proceed with the search plan using the search tool. search results have provided some initial information. I need to open some of the more promising links to gather detailed information. I will open result 0 from the first search, result 5 from the second search, result 6 from the second search, result 2 from the third search, result 2 from the fourth search, result 0 from the fifth search, result 0 from the sixth search, and result 6 from the seventh search. search results have provided some information, but the official XDA forum for the A13 5G might be sparse. I need to gather more information about custom ROMs, GSIs, and the installation process. I'll open result 2 from the first search. have gathered a good amount of information. Now I need to organize it into a comprehensive article. The article will cover the device overview, the current state of custom ROM development, prerequisites like unlocking the bootloader, TWRP installation, steps for installing custom ROMs and GSIs, known issues, risks, and resources. I will cite the sources I've found. Now I will start writing the article. The Ultimate Guide to Custom ROMs for the Samsung Galaxy A13 5G