Nothing Phone (4a) Review: Transparent Temptation

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While it’s the flagship phones that most fans look to as the guiding light in a company’s lineup, it’s often the mid-range entries that really carry the most weight and shift the most units. Last year’s award-winning Nothing Phone (3a) series proved a huge success for the brand, as some of the most refined and well-balanced entries in their class, whilst still being unapologetically Nothing.

Fast-forward to the start of 2026, and Nothing CEO Carl Pei used his opening address to not only proclaim that the company is now ready to move into “phase two,” but that we won’t be seeing another Nothing flagship this year, placing even more importance on the success of the company’s next mid-range offerings.

Cue the Nothing Phone (4a), the brand’s new baseline mid-ranger and a device that serves to not only continue the success established by the previous generations of A-series phones but marks the first entry to launch in this new era for Nothing.

The question is, does the Phone (4a) best showcase where Nothing claims it’s headed, or does it spend too much time simply iterating on the past?

Design & Build

• New Essential Key placement and Glyph Bar
• Tougher Gorilla Glass 7i
• New colorways

Visually, the Phone (4a) continues the design narrative first established with 2024’s Phone (2a), most apparent with the horizontal rear camera bar that – like last year’s model – plays host to a trio of rear sensors.

The biggest visual shift is the camera module’s migration upward, now accented by a pill-shaped aluminum element that resembles a running track, rather than the circular arrangement that defined the look of the Phone (3a)’s rear.

The Glyph Bar is more a reimagining of the existing Glyph Lights

But this change is more than a cosmetic reworking around a new key shape. The Phone (4a) also marks the end of Nothing’s Glyph Light configuration, as we’ve known it since the original Nothing Phone (1), here replaced by the new Glyph Bar.

I would have assumed Nothing’s next A-series phones were going to go all-in on the circular Glyph Matrix introduced on its latest flagship – the Phone (3) – but that appears to have only been reserved for the (4a) Pro. The (4a)’s Glyph Bar is more a reimagining of the established Glyph Lights; packing a similar degree of information density into a smaller, linear array.

A single bar of six white LEDs (plus a red recording light LED – a trait lifted directly from Nothing’s flagship) can pulse or animate just as the Phone (3a)’s Glyph Lights did. I wouldn’t say it’s inherently better or worse than the previous implementation, just… different.

The only notable new functionality it brings is support for Live Notifications, (built on top of Android 16’s native Live Updates feature), giving you a glanceable progress bar when paired with real-time activities on supported apps, like Uber, Google Calendar, Zomato, Just Eat, and Google Maps, however, I never found an app experience that actually used this feature in my time testing the phone. Nothing says more compatible apps are coming down the pipeline, though, which might aid its utility.

The Glyph Bar is more understated and unassuming on the Phone (4a)’s distinctive transparent back, but on the other hand, it’s up to 40% brighter than Phone (3a)’s Glyph Lights, making incoming notifications easier to spot when your phone is across the room, face down.

As for Live Notifications via the Glyph Bar, whilst it’s appreciated that Nothing has taken the time to integrate its bespoke hardware with a native part of the latest major Android release, I question just how much of an advantage this implementation offers over Live Updates, as they appear on the Always-On Displays of other supported Android 16 phones.

The Phone (3a) Series gave us our first taste of Nothing’s Essential Space, and with it the Essential Key. The main problem with this new button, however, was placement; perhaps overestimating how essential users might actually find the Essential Key. As such, its location and design were too close to the power button, set low on the right side of the phone’s frame.

Phone (4a) Series addresses this by moving the metal volume up/down keys to the right side of the frame, above the power key, and relegating the Essential Key to the upper portion of the left side of the phone instead. Right-handed users, in particular, will likely appreciate this change, and in practice, the Essential Key remains easily accessible, whilst running far less of a risk of being activated accidentally.

Elsewhere, the Phone (4a), of course, sports the brand’s signature transparent-backed design, with toughened Panda Glass protecting various surface finishes and forms, which add interest over the swathes of flat, uniform designs otherwise out there. Some elements are genuinely functional too, like the metal-covered speaker unit in the bottom left, which is a nice touch.

There’s also a new pink model

A small but welcome upgrade that the Phone (4a) offers over every other entry in Nothing’s portfolio to date is a larger choice of colorways than ever before. What’s more, there’s no regional exclusivity this time, as was the case with last year’s India-only blue Phone (3a) Lite, and the Rakuten Mobile red version in Japan.

Just like the Phone (3a), the (4a) comes in black, white, and blue, but there’s also a new pink option (reminiscent of raspberry yogurt), which I think has the biggest potential to turn heads. It sports the same degree of textural and tonal color variation as the other models, granting the design a pleasing amount of