Samsung Galaxy M40 Review

Samsung’s new A-series and M-series Galaxy smartphones have received a good response from customers and reviewers. Galaxy A70 ,review, Galaxy A50 ,review) And Galaxy M30 ,reviewConsidering the price of Rs.), it can be advisable to take these smartphones. Samsung has now recently launched a new smartphone in the price segment of less than Rs. 20,000. Galaxy M40 Smartphone has been launched.

Samsung This is by far the most expensive phone in the Galaxy M-series. Apart from Samsung’s flagship S10 series model, you will also get a hole-punch display in the Galaxy M40 launched in the price segment of less than Rs 20,000. This is the first time that Samsung has not included earpieces in any of its smartphones, this handset produces audio vibrations when a voice call is received. Other specifications of the phone are also strong. Is Galaxy M40 the best smartphone in the price segment under Rs 20,000? Let’s know.

Samsung Galaxy M40 Design

The design of the Galaxy M40 is no different than other M-series smartphones. It has a glossy plastic frame and rear panel. Fingerprints fall easily but the amazing thing is that even using the phone with one hand, it does not slip.
The plastic rear panel left small scratch marks with everyday use. To protect the Galaxy M40 from scratches, keep it in the case. Please note that the case is not available with the retail box.


Galaxy M40 has a 6.3-inch full-HD + Infinity O (1080×2340 pixels) display. It is protected by Corning Gorilla Glass to prevent scratches. However, this is a PLS TFT LCD panel instead of the Super AMOLED panel used in the Galaxy M30 (Review). The display is bright, colors look vibrant and viewing angles are also good.

The bezels around the display and the border at the bottom of the phone are slim. Hybrid SIM tray is provided on the left side of the phone, in which the user can put two nano-SIM or single SIM and a microSD card (up to 512 GB) if desired. You cannot use all three cards at the same time, like you can with the Galaxy M30. While inserting the Nano-SIM in the first slot, it was a bit difficult as the slot seems a bit small. But we did not face any problem with the second slot.

Apart from the earpiece, the Galaxy M40 also lacks a 3.5mm headphone jack. The company has given a Type-C headset in the retail box, along with we also got a Type-C to 3.5mm adapter, with the help of which you can use the existing headphones. On the back side of the phone, there is a triple camera module with LED flash on the left.


The LED flash is placed just below the camera module. For security, a fingerprint sensor has been given on the back panel of the phone. The sensor is placed a little above our liking, it is able to detect the finger accurately. The Face Unlock feature is also provided in the Galaxy M40 but it is not fast, it takes a few seconds in low-light.

Overall, the Galaxy M40 is a comfortable phone. We especially liked its slim and compact body and it weighs just 168 grams. We have got the Midnight Blue variant of the Galaxy M50 for review, which got dirty quickly. We cannot say how the Seawater Blue variant of the Galaxy M40 will look after use. In the retail box, you will get a SIM eject tool, 15W adapter, Type-C cable and Type-C headset.

Samsung Galaxy M40 specification and software

The core specifications of the Galaxy M40 are similar to the Galaxy A70 (Review). In Galaxy M40, you will get Qualcomm Snapdragon 675 processor, which we first saw in Redmi Note 7 Pro (Review). Currently, only one variant of the Galaxy M40 has been made available in India, which has 6 GB RAM and 128 GB storage.

Talking about other specifications, the phone includes 4G VoLTE, dual-band Wi-Fi 802.11 AC, NFC, FM radio, Bluetooth version 5, and USB Type-C port. Talking about the sensor, the ambient light sensor, hall sensor, gyroscope and accelerometer sensor are part of this phone. The Galaxy M40 also has a “virtual light sensor” for adjusting the brightness of the screen.


Talking about the software, Galaxy M40 runs on OneUI 1.1 based on Android 9.0 Pie. Samsung Galaxy M40 has recently received the update, with the update the phone has received the May 2019 Android security patch. The features given in the phone are the same as we have seen in other Samsung smartphones recently, so there is nothing new to tell here.

You can also customize the theme of the phone, monitor your habits with the help of Google Digital Wellbeing feature, configure motion and gesture shortcuts, enable Dolby Atmos for wired and wireless headphones, etc. Some features were missing such as an always-on display as the Galaxy M40 doesn’t have an AMOLED panel.


OneUI will keep sending you unwanted notifications but you can get a spam-free experience if you pay attention while setting up the phone and uncheck the relevant options. Surprisingly, this phone does not support Samsung Pay or Samsung Pay Mini despite having NFC.

Samsung Galaxy M40 performance, camera and battery life

Regular app and UI performance is very good. We have been using the Galaxy M40 everyday for several days and we have not had any major complaints with the phone. Apps open quickly, the interface is smooth and the phone doesn’t get too hot when running simple chat and social apps.

Games also went smoothly but it gets a bit hot while playing heavy games like PUBG: Mobile on Galaxy M40 smartphone. Even after playing for 10 minutes, the back of the phone got very hot. While playing PUBG, the sound from the speaker on the bottom of the phone was very low, but in other apps like YouTube, the sound was quite loud.


Music playback can be controlled with the help of the in-line remote given in the phone. Dolby Atmos works to increase the volume and improve the soundstage. Due to the thin border around the display, it looks great while watching videos or content. Most apps will automatically mask the hole-punch area, but if the cutout doesn’t bother you, you can force them to use the full screen space.

Samsung’s screen sound technology works well for voice calls. The first time you receive an incoming call, a visual overlay will show you where to place your ear. The Galaxy M40 smartphone is Widevine L1 certified which means that you can stream high-resolution movies on platforms like Amazon Prime Video and Netflix.


The Galaxy M40 has a triple rear camera setup. The primary sensor is 32 megapixels. It comes with AI Scene Optimizer and f/1.7 lens. There is a 5 megapixel secondary camera on the back side. It is also a depth sensor. The third camera is 8 megapixels, it comes with ultra wide angle lens. The phone does not have optical stabilization, autofocus also does not work fast. However, the phone is capable of recording 4K videos and making slow-motion videos.

The main sensor saves a picture of 12 megapixels by default and you can also manually change the resolution to 32 megapixels if you want. The picture came out a bit better due to the low resolution, so it is best to stick with this option. The main camera captures the details well in good light and the colors are also well visible.


Photos look good on the phone’s display, but the finer texture and sharpness are not as good when the picture is zoomed in. The edges of the frame usually have a slight graininess and the highlights look overexposed. The wide-angle camera is fun to use as it lets you capture interesting scenes, but detail can be lacking and there is no autofocus.

Macro shots also came out better in daylight. Background blur level was also good. Samsung’s Scene Optimizer is also provided in the Camera app. The sharpness in the pictures was also good. The phone also has Live Focus or Portrait mode, which works well for objects and pets. Inappropriate edge detection for background blur was experienced when shooting indoor, outdoor and in adequate light.

In low light, the autofocus of the Galaxy M40 smartphone becomes a bit slow and at the same time there is a lack of detail. Even in landscape, nothing particularly good pictures came, dark areas came a little grainy. The quality of pictures taken with the 16-megapixel selfie camera was also average. Portrait mode is also given which works well.

Video quality is good in 4K and 1080p resolutions, but the phone lacks stabilization. Super slow-motion video was also good but you can only do it in short bursts. Battery life is one of the strengths of the Galaxy M40. The 3,500mAh battery lasted 15 hours and 30 minutes in our HD video loop test, and the battery lasted almost a day on a single charge with regular use.

Even on heavy usage of the phone such as using the camera and benchmarks, the phone supported for about 20 hours. A 15-watt fast charger is available with the Galaxy M4 and the phone supports Qualcomm Quick Charge technology. The phone was charged from 0 to 47 percent in 30 minutes and up to 86 percent in an hour.

our decision

The Samsung Galaxy M40 comes with a host of features that make it an attractive option. Screen sound technology has been used for voice calls in the Galaxy M40, as well as it comes with a hole-punch display. Apart from this, the RAM and storage of the phone is also very good, not only this, the phone also has a powerful processor.

The LCD screen gives good brightness and colours. Photos taken with the Galaxy M40 are average and the autofocus speed could have been a bit better. Hybrid dual-SIM slots are also a topic to consider, especially when Galaxy A70 ,review, Galaxy A50 ,review), And Galaxy M30 ,review) has a separate microSD card slot.

The face unlock feature also doesn’t work fast. On paper, the Galaxy M40 smartphone looks better than the Galaxy A50. However, there could be some reasons for choosing the Galaxy A50 over the Galaxy M40. Of course, you will get a slightly weaker processor and less storage in it, but you can get a bigger battery, AMOLED display and headphone jack.

Samsung Galaxy M40 processor is good for gaming but if this is your priority then Redmi Note 7 Pro ,review) of 6 GB RAM can also prove to be a great option and it is also available at less cost. Us Poco F1 Also not to forget that the Snapdragon 845 processor has been used and it is available for Rs 17,999.

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