The 6.4-inch Super AMOLED display on the Samsung Galaxy S10 Plus makes this the biggest S phone screen to date – bigger than 5.8-inch Galaxy S9 Plus and matching the Note 9 screen size. It's also a lot better. So the fingerprint sensor isn't a deal breaker, but it also isn't necessarily a usability advance. Processor, Software, and Performance

In real-life use at MWC19 in Barcelona, it seemed like I never needed to recharge it. The Galaxy S10+ would regularly go two days and still have a decent charge. Can you chalk that up to the superior regenerative powers of Spanish mobile networks? Maybe. Samsung says it comes down to software: More intelligent management of what processes are running, combined with what DisplayMate says is a more power-efficient screen, makes for an ideal battery situation. The battery fast-charges with both wired and wireless connections, although to fast-charge wirelessly it needs an appropriate fast-charging wireless pad. The hole in this 'punch-hole' display is extra-large, as Samsung dropped in two front cameras to take better portrait selfies than the single-lens Galaxy S10 and S10e front cameras.Good news, we’ve not found it too distracting. The Galaxy S10+'s Vivid display mode is similar to the Note 9's Adaptive, and the Note 9's Cinema display mode seems a little more accurate than the S10+'s Natural. Both phones are a bit more color accurate than the iPhone XS Max with TrueTone on. Fingerprint Sensor However, EE's 5G coverage does not reach all areas of every city. We've tested it out in London, and found that it's not consistent. In areas where 5G is available though, we're consistently getting speeds of around 200Mbps (versus around 15-20Mbps on 4G devices). Another sacrifice has been made for the S10e's lower price and it's the fingerprint reader - unlike the ultrasonic under-display modules of its more expensive brothers, this one has it in the power button on the side, just like the Galaxy A7 (2018).Sold? To complicate your buying decision, the Galaxy S10 5G is an even bigger and better S10 phone, the Samsung Galaxy Note 10 Plus is even more premium as a Samsung smartphone, and if you've got all the money in the world, the foldable Samsung Galaxy Fold is also available to buy – to say nothing of the S20 line and its incremental imrpovements. The Galaxy S10+ is the first US phone with an under-display, ultrasonic fingerprint sensor. It's more accurate than the OnePlus 6T's optical sensor. With a dry finger, if you hit the screen at the right spot, I found it to be 100 percent accurate in testing. But that's the thing —you have to hit the screen at the exact right spot. Hitting it off-center results in rejected touches. There's no visual guideline to do so when the screen is off, and no physical guide (like the ridge of a physical sensor) at all. The sensor is less accurate with a wet finger, and not usable at all with a dirty or goopy finger. For more on this, see my separate story on testing the fingerprint sensor. And, of course, we have 5G coming around the corner. The upcoming Galaxy S10 5G will be an early adopter phone with limited network support. But next year's Galaxy S11 will likely be based on Qualcomm's Snapdragon 865, a 5G integrated chipset with support for both high-speed and broad-coverage 5G networks. That's the kind of shift that happens once every decade, not every year.

We experienced some failures due it incorrect placement at first, and with no physical ridge to guide our finger we don't expect to eliminate failures completely.In time, we went from a first-time recognition success rate of 80% to a 95% success rate. Some of that was an update and some of it came down to getting used to the invisible sensor location. The phone’s all-display front, which includes a dual-camera hole punch notch located at the top right of the screen, is also lovely. Our technical display tests recorded identical results to the regular S10 and S10 Plus – colour accuracy is almost as good as can be, with only slight oversaturation in some red tones, and the panel manages to cover 96.3% of the sRGB colour gamut. EE's 5G cities so far are: London, Edinburgh, Aberdeen, Birmingham, Belfast, Manchester, Cardiff, Bath, Bristol, Chelmsford, Coventry, Leicester, Liverpool, Oxford, Plymouth, Glasgow, Hull, Leeds, Lichfield, Lisburn, Newcastle, Nottingham, Salford, Sheffield, Stirling Sunderland, Wakefield and Wolverhampton. We had the opportunity to spend some brief moments in the company of the four Galaxies, and we'll be sharing some early impressions.Start enabling some of the additional features on the Galaxy S10 Plus and the battery will of course take a hit, namely the always-on display and changing Full HD+ to QHD+.