The Motorola Signature is Motorola's design-led flagship, fitting a 6.8-inch 165Hz screen and a 5,200mAh silicon-carbon battery into a 7mm-thin, 186g body. That combination of size, weight and capacity is the phone's defining trick, and it undercuts every current Samsung flagship on thickness.
Signature: Display
The 6.8-inch LTPO AMOLED runs at 165Hz, faster than the 120Hz standard across the Galaxy S26 range, with Dolby Vision support and a measured 1,518 nits of maximum brightness in GSMArena's lab test. The quoted 6,200-nit peak applies to HDR highlights only, and Gorilla Glass Victus 2 covers the front.
Resolution is where it gives ground: 1264 x 2780 sits below the QHD+ panel on the similarly sized Galaxy S26+.
Signature: Camera
All three rear cameras use 50MP sensors: an f/1.6 main with OIS, a 3x periscope telephoto with OIS, and a 122-degree ultrawide, with a 50MP selfie camera that records 4K at 60fps. Video reaches 8K at 30fps with Dolby Vision.
Zoom reach stops at 3x optical, so buyers who shoot distant subjects will find longer periscopes elsewhere at this level.
Signature: Battery
The 5,200mAh silicon-carbon cell returned an active use score of 16:13 hours in GSMArena's lab, and charging is a headline: 90W wired reaches 50% in 15 minutes, with 50W wireless and 10W reverse wireless on top.
Endurance is strong rather than class-leading: the Honor Magic8 Pro recorded 19:07 hours in the same test, so buyers who rank runtime above slimness have better options.
Signature: Size, Weight and Build
At 162.1 x 76.4 x 7mm and 186g with an aluminium frame, IP68 and IP69 ratings, and listed MIL-STD-810H compliance, the Signature is unusually thin and light for its screen size. Note that the military standard listing does not guarantee ruggedness in extreme conditions.
Colour choice is the narrowest of any current Motorola flagship, with just two Pantone shades: Carbon and Martini Olive.
Signature: Performance
The Snapdragon 8 Gen 5 with up to 16GB of RAM and UFS 4.1 storage should feel fast in everything short of sustained gaming, and the phone ships on Android 16 with a commitment to up to seven major Android upgrades, a window that has only just opened. Sound is tuned by Bose with Dolby Atmos stereo speakers.
Be aware this is the standard Snapdragon 8 Gen 5, not the Elite Gen 5: GSMArena's GeekBench score of 8,755 sits well below the 10,982 it recorded for the Galaxy S26+, so peak performance trails the price class.
Signature: Who Should Buy
Buy the Signature if thinness, charging speed and a 165Hz screen matter more to you than winning benchmarks; it suits design-conscious buyers upgrading from older handsets who want flagship polish without a slab-like body. If raw performance or a sharper screen ranks higher, the Galaxy S26+ takes both at the cost of slower charging. Buyers weighing contract length against upfront cost will find current network pricing in the table above.