The Samsung Galaxy A40s is a different beast from the Galaxy A40. It drops the full HD screen for a much bigger battery. It is also sold as the Samsung Galaxy M30 in some countries and regions.

Samsung Galaxy A40s (Galaxy M30)

Samsung Galaxy A40s Quick Specs: Android 8.1 Oreo smartphone. Announced February 2019. Features 6.4-inch Super AMOLED display, 16 MP selfie camera, 13 MP + 5 MP + 5MP triple rear camera, up to 6 GB RAM, up to 128 GB internal memory, and a 5000 mAh battery with fast charging.


The A40s is also sold as the Samsung Galaxy M30 in some countries.

Samsung Galaxy A40s (Galaxy M30) Specs and Features

Wireless Network and Software

  • 2G mobile network bands: GSM, GPRS, EDGE 850 / 900 / 1800 / 1900 MHz.
  • 3G mobile network bands: UMTS, WCDMA, HSDPA 850 / 900 / 2100 MHz
  • 4G mobile network bands: LTE 1(2100) / 3(1800) / 5(850) / 8(900) / 20(800) / 40(2300) / 41(2500)
  • 5G mobile network bands: No.
  • SIM Type: Nano-SIM, Dual SIM
  • Software / OS: Android 8.1 Oreo + One UI, upgradeable to Android 9 Pie.

Design, Form Factor, Appearance

  • Dimensions: 159 x 75.1 x 8.5 mm
  • Weight: 174g
  • Display: 6.4 inches, 1080 x 2340 pixels, 19:9 aspect ratio, IPS LCD curved glass screen
  • Colours: Black.
  • Physical Build:
Samsung Galaxy A40s is also known as Samsung Galaxy M30
Samsung Galaxy A40s is also known as Samsung Galaxy M30

Internal Hardware Specs

  • Processor Type: 64-bit, 1.8 GHz Octa-core, Cortex-A73
  • Processor Name: Exynos 7904
  • Graphics Processor:  Mali-G71 MP2
  • RAM: 4 GB / 6 GB
  • Internal Storage: 64 GB / 128 GB
  • External Storage: microSD, up to 1TB (dedicated slot)

Photography, Video Recording

  • Rear Camera: 13 MP f1.9 + 5 MP f2.2 ultra-wide + 5 MP f2.2 depth sensor, triple camera, HDR, LED flash, 1080p@30fps video recording
  • Front-facing Camera: 16 MP, f2.0 Aperture, AI Face Recognition, HDR, 1080p@30fps video capture

Audio, Video Playback

  • Music Support: PCM, AAC / AAC + / eAAC + / MP3 / AMR – NB / WB / APE
  • Audio: 3.5 mm audio jack
  • Loudspeaker: Mono speakers
  • Video Support: H.264/MP4/MPEG4 player
  • FM Radio: Yes.


  • Digital Compass: No.
  • Accelerometer: Yes.
  • Proximity Sensor: Yes.
  • Ambient Light Sensor: Yes.
  • Barometer: No.
  • Pedometer: No.
  • Heart Rate Monitor: No.
  • Gyroscope (G-Sensor): Yes.
  • Fingerprint Scanner: Yes; rear-mounted.
  • Face Unlock: Yes.
  • Iris Scanner: No.
  • Motion Sensing / Gesture Control: No.
  • Voice Control: No.
  • Intelligent Digital Assistant: Google Assistant. Bixby.
  • Infra-red Senor: No.

Connectivity Options

  • Bluetooth: v5.0, A2DP
  • WiFi: Wi-Fi 802.11 a/b/g/n/ac, hotspot
  • USB: microUSB v2.0; Type-C; USB-OTG
  • NFC: No.

Miscellaneous Specs and Features

  • Battery Type and Capacity: Non-Removable Lithium-Polymer 5000 mAh
  • Battery Charging: 15W Fast Charging
  • Reverse Charging: No
  • Announced: February 2019
  • Market Availability: March 2019

Samsung Galaxy A40s (Galaxy M30) Price and Availability

  • Country Availability: China, India, Nigeria, Kenya, Ghana, Global.
  • Price: From $210. In Nigeria, the 4GB RAM variant is available for N82,000 (click to buy on Jumia), while the 6GB RAM version is available for N90,000 (click to buy on Jumia).
Samsung Galaxy A40s has a big 5000 mAh battery
Samsung Galaxy A40s has a big 5000 mAh battery and fast charging

MobilityArena Buyer’s Guide Verdict

If you are looking for the Samsung phone with the best battery life (2019), this is, hands down, the one to buy.


Our Buyer’s Guide Verdict is recommendation that we make based on our evaluation the specs of the device. It is a general guide designed to help you understand how much value a smartphone offers for its price. It is not a stamp of quality assessment or an endorsement of the device or of the manufacturers. Be sure to ask questions and use your judgement when buying any device, as MobilityArena may not be held responsible for your buying decisions.

Samsung Galaxy A40s Review Rating

We are yet to review the Samsung Galaxy A40s (Galaxy M30) and so do not have a review rating for it yet. This section will be updated with our review rating and a link to the review page, as soon as we have a review ready.


Disclaimer: While we take the pains to ensure accuracy, we can not guarantee that the specs and  information on this page about the Samsung Galaxy A40s are 100% correct. If you think that any information for the current phone is wrong or missing, please contact us.

Follow MobilityArena on social media!

We love to connect with you. Do not forget to follow us on Instagram, Facebook, and Twitter.

Share This Article

MobilityArena InfoDesk publishes useful tips, tutorials and help articles for mobile users. Follow us on Twitter @MobilityArena, Instagram,and like us on Facebook.

Related Posts

Leave a Reply

Your email address will not be published. Required fields are marked *