• To start with, Samsung is known for delivering some amazing displays and the Galaxy M30s tells the tale quite brightly. The phone is loaded with a 6.4-inch Full HD+ Super AMOLED Infinity-U display with a screen resolution of 2340 x 1080 pixels. The display offers own good colour reproduction and viewing angles are good as well. By default, the colours are muted, but you can switch to Vivid mode in the Display Setting to make it look punchier and colourful. The large screen makes the streaming experience a delightful one. We watched a couple of series on Galaxy M30s and we were satisfied with the display performance. The phone comes with Widevine L1 support, meaning that you can stream HD content on Netflix and Amazon Prime Videos. 
• Another area where the Galaxy M30s shines is the battery. The smartphone is equipped with a massive 6,000mAh battery and it comes with 15W fast charging support. The phone is currently the only one in this price segment that offers this much capacity. During our testing period, the phone easily lasted two days with an average screen time of 8 to 9 hours. When we stressed the battery performance by playing some games, streaming videos, using social media apps and for navigation, we still got almost one and a half-day of battery backup. The 15W fast charger was helpful for charging the phone within 1 hour and 30 minutes.
• Samsung Galaxy M30s is powered by the latest Exynos 9611 processor along with Mali G72 MP3 GPU. The latest chipset from Samsung almost gives comparable performance to the Qualcomm Snapdragon 665 processor. During our usage, we didn't not noticed any lag and multitasking was smooth as well. The phone handles most of the casual titles without any problem and high-end games like PUBG Mobile runs good, though you still notice slight frame drop.
• Samsung has upgraded the cameras of the Samsung Galaxy M30s. The phone now comes with a triple rear cameras with 48-megapixel primary lens with f/2.0 aperture, an 8-megapixel wide-angle lens with 123-degree FOV and a 5-megapixel depth sensor. For the front, it is equipped with a 16-megapixel selfie shooter. The daylight performance of the phone is good as colours came out to be close to the source and macro shots were good as well. The wide-angle captures a larger area. 

• Samsung took a little longer to adopt to the new design language of a notch display, and it all started with the Galaxy M series this year. The Galaxy M30 was one of the better design phone that Samsung introduced over its Galaxy J or Galaxy On series. The Galaxy M30s is not much different from the predecessor Galaxy M30 as well. It features almost similar design but with a new style triple-camera module and new color options. The back is still made of glossy plastic, and it attracts fingerprints/ smudges easily. Having said that, Samsung has done a good job in keeping the weight down (188 grams) despite a massive 6,000mAh battery.
• Coming to the display, there is no change in the M30s’ 6.4-inch Super AMOLED panel. It still looks nice and offers full-HD+ (1080 x 2340 pixels) resolution with Infinity U notch. I had no problem with its touch performance, brightness levels, sunlight legibility and viewing angles. Samsung’s displays are usually oversaturated, so that part remains same on this phone too. Overall, the display quality is great for its price. I would rate M30s’ display higher than its competing devices – Xiaomi Redmi Note 7 Pro, Realme 5 Pro and Mi A3.

• The biggest highlight of Galaxy M30s is its massive 6,000mAh battery, something that we all need for our smartphones today. During my time with the device, it could easily last me about 1.5 days. In terms of the battery time for not so heavy users like me, the same battery should do fine for about two days for initial few months at least. The predecessor M30 also had a big battery, and it was 5,000mAh. So, just in comparison, the 6,000mAh battery is slightly better. The older mode M30 could also manage one full day on a single charge. That said, it is so much pain to charge this battery in one go, because it takes more than 3 hours to reach 100 with its supplied 15W charger.

• Coming to the triple-camera setup of the Samsung Galaxy M30s, it has been upgraded as well. Samsung has used its 48-megapixel primary ISOCELL GM2 sensor in the M30s, which is a huge jump over the 13-megapixel sensor seen on the M30. The other two lens in the setup are the 5-megapixel depth camera, and an 8-megapixel ultra-wide-angle lens with a 123-degree field of view. On the front, the smartphone gets a 16-megapixel selfie camera in the notch.

• The Galaxy M30s comes with an updated chipset. In the place of the Galaxy M30's 14-nanometre Exynos 7904 is a 10-nanometre Exynos 9611. Like its predecessor, the new chipset employs eight cores (four Cortex-A73, four Cortex-A53) but at higher clock speeds. The GPU too is a slightly newer Mali-G72 MP3. Our review unit came with 6GB of RAM and 128GB of internal storage. The original Galaxy M30 we reviewed, however, came with only 4GB of RAM and 64GB of internal storage.
• The review unit fared quite well on our standard CPU and GPU benchmark tests. On AnTuTu 7.0, the Galaxy M30s picked up 132160 points, as opposed to the Galaxy M30's 107705. On PCMark 2.0, the gap was not much. The Galaxy M30s scored 5626 points, and the Galaxy M30, 4969. On 3DMark's Sling Shot, the gap pretty much doubled. The Galaxy M30s bagged 1548 points, and the Galaxy M30 got 730 points. There was a significant bump in storage speeds as well.

https://www.youtube.com/watch?v=MmGW9Ew0Dsw&pbjreload=10

• Samsung Galaxy Fold comes with a 7.30-inch touchscreen primary display with a resolution of 1536x2152 pixels. It also features a 4.60-inch touchscreen as its second display, with a resolution of 840x1960 pixels.
• Samsung Galaxy Fold is powered by an octa-core processor. It comes with 12GB of RAM.
• The Samsung Galaxy Fold runs Android Pie and is powered by a 4mAh battery. The Samsung Galaxy Fold supports wireless charging, as well as Quick Charge 2.0 fast charging.
• As far as the cameras are concerned, the Samsung Galaxy Fold on the rear packs a 16-megapixel primary camera with an f/F2.2 aperture; a second 12-megapixel camera with an f/F1.5/F2.4 aperture and a third 12-megapixel camera with an f/F2.4 aperture. It sports a 10-megapixel camera on the front for selfies, with an f/F2.2 aperture.
• Samsung Galaxy Fold based on Android Pie and packs 512GB of inbuilt storage.
• Connectivity options on the Samsung Galaxy Fold include Wi-Fi, GPS, and USB Type-C.
• It was launched in Space Silver, Cosmos Black, and Martian Green and Astro Blue colours.

Design

• Samsung believes the Galaxy Fold has the most intuitive form factor for a foldable phone, with the screen folding in on itself to provide protection, much like a laptop.
• The company certainly hasn't taken the challenge of designing of its first foldable phone lightly. This is a phone that's been over 10 years in the making and has gone through over 1,000 different prototypes as well as the further durability improvements.
• The book-like folding action does feel like a natural way to open the handset, and it's certainly easier to get to grips with than the Huawei Mate X – Huawei has taken the opposite design approach to Samsung, with the screen on the outside of its device when it's folded.
• Open up the Galaxy Fold fully to reveal the 7.3-inch display and the 20-part, dual-axis hinge locks into place, preventing you from over-extending the display past 180 degrees.
• Fold it back up and the phone snaps shut with a satisfying sound, giving you confidence that it won't accidentally unfurl itself in your bag.
• Samsung has spent a lot of time working on the dual-axis hinge, and it gives the device a tactile feel, with a smooth movement between its two states. It's been designed to withstand more than 200,000 folds and unfolds, which works out at 100 opens and shuts a day for five years – so it should last.
• It certainly feels sturdy, and capable of surviving repeated folding and unfolding, and a nice touch is the way the hinge disappears into the body of each half of the phone when it's fully opened.
• The second version of the phone also comes with caps over the top of the hinge to ensure dust doesn't get into the device. It also feels more sturdy when opened out into its tablet form as Samsung has laid metal inside the device to ensure you don't bend it too far.
• When Samsung first revealed the device, it had a screen protector on that was unlike what you'd get on your average smartphone. Some testers removed that protector, and it caused structural issues with the phone.
• Samsung has now included a slim rim around the outside of the inner display that blocks you from removing the screen protector and also helps keep the device closer together when it's folded back into its thinnest form.
• It doesn't feel like the most premium aspect of the phone, but if it ensures people don't remove the screen protector it will have done its job.
• The fingerprint sensor is located on the right edge of the lower half of the device when it's closed, falling nicely under thumb or finger, and so it remains in that position when the phone is unfolded. The sensor also acts as a Bixby launch button when pressed, jumping you straight 

Display

• The Samsung Galaxy Fold has two screens, with the 4.6-inch HD+ Super AMOLED display on the front (when the device is closed in 'phone mode') feeling a little small by today's standards, when most phones have screens which are at least five inches in size.
• It's made to feel smaller thanks to the sizable bezels above and below, reminiscent of phones from around 10 years ago. It's a trade-off that has to be made, as the tech has to fit somewhere, and the benefit of its diminutive size is that it can be easily used one-handed.
• In terms of aesthetics, though, it's far from pleasing to the eye. In a world where bezels are disappearing almost completely, the look here is a real blast from the past – and when you consider the asking price for the Samsung Galaxy Fold, some may argue that its appearance, at least in 'phone mode', doesn't quite match its premium price tag.
• The small display is bright and clear though, with Samsung's Super AMOLED panel providing plenty of color. You can easily navigate Android, and it's useful for checking notifications, reading messages and controlling music playback.

Interface and performance

• There are various ways you can use the Samsung Galaxy Fold. When closed, the 'phone mode' provides one-handed operation for tasks such as calls and music playback.
• The 4.6-inch display operates like that of a regular smartphone, so apps and games work as you'd expect, although with a bigger screen just a quick unfold away, working on the smaller screen can feel cramped.
• Open the device up into 'tablet mode', and the larger screen makes social media, messaging, web browsing, gaming and photo/video editing much easier.
• Each time you transition from one screen to the other, compatible apps will follow your usage patterns for a seamless experience. For example, if you launch Google Maps in 'phone mode', and then open the Fold up, Google Maps will automatically be displayed on the big screen.

Key Specs

• CPU: Qualcomm Snapdragon 855
• Memory: 12GB
• Storage: 512GB
• MicroSD storage: None
• Screen size: 4.6 inches (folded), 7.3 inches (unfolded)
• Resolution: 1680 x 720 (folded), 2152 x 1536 (unfolded)
• Connectivity: USB-C, Bluetooth 5.0
• Battery: 4,380mAh (LTE model), 4,235mAh (5G model)
• Size: 160.9 x 62.9 x 17 mm (folded), 160.9 x 117.9 x 7.5 mm (unfolded)
• Weight: 263g (9.28oz)
• Operating system: Android 9.0 Pie

• With all the innovation in design, it would be fair to give Samsung some slack on the camera front. But you needn’t do so — the Korean company has pulled out all the stops, adding six camera lenses to the Galaxy Fold.
• You’ll find the first camera lens on the cover, above the 4.6-inch Super AMOLED front display. It’s a 10-megapixel selfie lens with an aperture of f/2.2, and a field-of-view (FOV) of 80-degrees. You’ll find three more impressive lenses are around the back of the device though. The first is a 16-megapixel ultra-wide-angle lens with an aperture of f/2.2 and an FOV of 123-degrees. Next comes a 12-megapixel wide-angle lens with Super Speed Dual Pixel autofocus, optical image stabilization (OIS), a variable aperture of f/1.5 and f/2.2, and an FOV of 77 degrees. The final lens is a 12-megapixel telephoto lens with 2x optical zoom, phase-detect autofocus (PDAF), OIS, and an aperture of f/2.4.
• We’ve not forgotten the final two lenses though. Open the Galaxy Fold up and you’ll find two more selfie cameras looking out at you from the device’s odd notch. The main lens is a 10-megapixel lens with an aperture of f/2.2, and a wide FOV of 80-degrees. The second lens is an 8-megapixel depth-sensing lens with an aperture of f/1.9, and a wide-angle FOV of 85-degrees.
• All of this comes with Samsung’s now usual bevy of A.I.-powered extras, including the Scene Optimizer and the Flaw Detection that can tell you if someone blinked or moved suddenly. Video capabilities are also impressive, with the ability to record 4K UHD footage at 60 frames-per-second (fps) and super slow-motion video at 960 fps.