Manufacturers

Chinese vendor whose devices are popular for custom ROM development.

Chinese smartphone brand, subsidiary of ZTE. Produces both Nubia and RedMagic (gaming) lines.

Taiwanese maker of Zenfone and ROG Phone devices; early bootlader-unlock era favorites like the Max Pro series.

Former enthusiast-favorite brand with easily unlockable bootloaders.

Maker of the Pixel line, the reference platform for custom ROMs.

South Korean multinational electronics company; exited the smartphone business in 2021.

World's largest Android vendor; Galaxy devices have a long custom ROM history.

TCL-owned budget brand with a small but stubborn ROM scene.

Japanese multinational conglomerate; Xperia smartphone line.

American telecommunications company; now owned by Lenovo (Motorola Mobility).

German smartphone vendor focused on privacy, repairability, and shipping Ubuntu Touch by default.

Spanish smartphone and tablet manufacturer known for Aquaris line; one of the first vendors to ship Ubuntu Touch.

Dutch modular smartphones with long software support and removable batteries.

Open-source hardware community building ARM single-board computers, laptops, and Linux phones.

Chinese budget phone maker with early Helio X20/X25 devices; XDA community ran unofficial LineageOS 13/14 builds for S7 and P9000.

World's largest PC vendor; also makes Android tablets under Lenovo Tab brand. Owns Motorola Mobility.

Amazon Fire tablets, Kindle Fire, Fire Phone and Fire TV devices; Amazon-flavored Android with deep ecosystem lock-in.

NOOK e-readers and tablets (BNTV series); community has ported postmarketOS to several legacy NOOK tablets.

UK-based maker of the Pro1 line of landscape-sliding QWERTY Android phones; predecessor to the F(x)tec Pro1 X.

Honor (华为荣耀) spun off from Huawei in 2020; XDA community has ported LineageOS, LeaOS-OSS, AlphaDroid and other custom ROMs to Kirin and Snapdragon-based Honor phones.

Huawei Devices; XDA community maintains unofficial LineageOS, LeaOS-OSS, OctaviOS and AOSP Extended builds for older Kirin devices; newer phones use locked bootloaders.

Chinese consumer electronics brand known for Flyme OS; first Chinese vendor to ship Ubuntu Touch (MX4 / Pro 5).

London-based consumer electronics brand founded by Carl Pei (former OnePlus co-founder); phones with distinctive Glyph interface.

German modular smartphone maker focused on repairability and open-source software support.

House brand of UK retailer PC World/Dixons; best known for the 2010 Advent Vega Tegra 2 tablet.

American budget phone maker shipping low-cost Android handsets to the US prepaid market; XDA activity peaked ~2015-2018 on MediaTek devices.

Chinese rugged and budget smartphone maker; XDA activity peaked 2016-2018 on early MTK devices.

Epson Moverio BT-series AR smart glasses; XDA community ported early custom ROMs.

Essential Products (Andy Rubin's startup, 2017-2020); only product was the PH-1 (mata) Snapdragon 835 phone.

Planet Computers' Gemini PDA clamshell Android/Linux device (2018); community ported LineageOS 14.1.

Taiwanese consumer electronics company, once a major smartphone manufacturer.

Chinese Linux-tablet vendor; maker of the JingPad A1 / C1 Linux tablet.

Finnish multinational telecommunications, information technology, and consumer electronics company.

UK-based maker of retro communicator-style mini-laptops and dual-screen Android devices (Gemini, Cosmo).

Social purpose company focused on privacy-respecting hardware and free-software phones and laptops.

AI-vendor that built the r1 pocket AI device; a non-Android Linux handheld running a UT port.

UK charity that designs the popular single-board computers; UT has a port for the RPi 3.

Indian smartphone brand (subsidiary of Micromax) known for the Yureka line on Cyanogen OS.

Lenovo sub-brand that shipped Cyanogen OS devices (Z1, Z2 Plus); now defunct.

French budget tablet and phone maker, most active on XDA during the Gen8/Gen9/Gen10 era (2011-2014).