Overview

Released in late 2017, the OnePlus 5T marked a key transition for the brand. It retained the value-focused performance ethos of early OnePlus flagships while modernizing its exterior with a thin-bezel 18:9 Optic AMOLED display. Built on the Qualcomm Snapdragon 835 platform with up to 8GB of RAM, the 5T delivered top-tier speed at a time when traditional flagships charged significantly higher premiums. Looking back from a multi-year ownership perspective, the 5T stands out as one of the last great aluminum-backed smartphones before the industry pivoted entirely to delicate glass backs and wireless charging coils.

Design and build

The standout physical characteristic of the OnePlus 5T is its anodized aluminum unibody shell. Unlike modern glass-sandwich devices, the 5T handles accidental drops with minor scuffs and dings rather than catastrophic spiderweb cracks on the rear chassis. Up front, the 6.01-inch 1080p Optic AMOLED panel is protected by Corning Gorilla Glass 5.

The physical ergonomics remain excellent: a slim 7.3mm profile, rounded edges, an instantly responsive rear capacitive fingerprint reader, and the signature three-position physical alert slider. Crucially, OnePlus included a 3.5mm headphone jack along the bottom edge alongside the USB-C port, making it a favorite for users who prefer reliable wired audio.

Everyday performance

Powered by the 10nm Snapdragon 835 chipset paired with either 6GB or 8GB of LPDDR4X RAM, the OnePlus 5T punches above its age in lightweight daily tasks. Navigation through the system interface remains surprisingly fluid thanks to the lightweight nature of OxygenOS. Messaging, web browsing, media streaming, and basic productivity apps launch promptly without persistent system hang-ups.

However, modern app demands and modern web standards do reveal the processor's age. Heavy gaming, multi-tasking with memory-heavy social media applications, and high-bitrate video processing push the hardware to its thermal threshold. Additionally, because official software support stopped at Android 10, certain banking applications and security tools may encounter compatibility limits without custom software modification.

Battery, durability, and longevity

The original 3300 mAh Li-Po battery provided reliable all-day stamina when new, assisted by OnePlus's proprietary Dash Charge technology. Dash Charge shifts heat dissipation to the wall adapter rather than the handset, allowing rapid power top-ups without causing excessive battery heating on the phone itself.

After years of active duty, original factory batteries exhibit expected chemical degradation. Symptoms include diminished screen-on time, unexpected percentage drops, or thermal spikes. Thankfully, the metal unibody construction means opening the device requires removing the SIM tray, unscrewing two bottom Pentalobe screws, and carefully unclipping the rear shell. You can check our device page and step-by-step guides to review the internal layout before attempting component maintenance.

Common issues owners hit

While the metal chassis makes the OnePlus 5T remarkably tough, long-term owners commonly encounter a few predictable wear points:

• Battery capacity loss: Chemical degradation reduces useful runtime well below original factory numbers.
• USB-C port wear: Pocket lint accumulation or mechanical socket wear can cause loose charging cables and intermittent Dash Charge connectivity.
• Display burn-in: Static navigation keys and status bar icons can leave permanent faint ghost images on aging Optic AMOLED panels.
• Camera hardware limits: The dual 16 MP and 20 MP rear camera setup lacks Optical Image Stabilization (OIS), resulting in motion blur and elevated noise in low-light environments.

If you are troubleshooting power or display behavior on an older unit, checking our problems hub can help differentiate between simple hardware fatigue and software glitches.

Who it's for

The OnePlus 5T remains an appealing hardware platform for budget-focused users, secondary device seekers, or custom ROM hobbyists who appreciate durable physical design. If you prioritize a 3.5mm headphone jack, an unbreakable metal rear shell, and a reliable physical fingerprint scanner, this model carries lasting practical appeal.

Bottom line

The OnePlus 5T represents a high point for straightforward, practical phone engineering. Although its camera suite and stock operating system belong to a prior era, its rugged metal build and accessible internal design make it a device that can easily stay in service with routine battery upkeep.

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