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Samsung Galaxy M21 (Raven Black, 4GB RAM, 64GB Storage)

4.2 out of 5 stars 232,556 ratings

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1 Year Warranty
1 year manufacturer warranty for device and 6 months manufacturer warranty for in-box accessories including batteries from the date of purchase
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Brand Samsung
Model Name Galaxy M21
Network Service Provider Unlocked for All Carriers
OS Android 10.0
Cellular Technology 4G

About this item

  • Triple Camera Setup - 48MP (F2.0) Main Camera +8MP (F2.2) Ultra Wide Camera +5MP(F2.2) Depth Camera and 20MP (F2.2) front facing Punch Hole Camera
  • 6.4-inch(16.21 centimeters) Super Amoled - Infinity U Cut Display , FHD+ Resolution (2340 x 1080) , 404 ppi pixel density and 16M color support
  • Android 10.0 operating system with Exynos 9611,2.3GHz,1.7GHz Octa-Core processor, 4GB RAM, 64GB internal memory expandable up to 512GB and dual SIM
  • 6000 mAh Battery
  • 1 year manufacturer warranty for device and 6 months manufacturer warranty for in-box accessories including batteries from the date of purchase
  • In case of any queries , kindly reach out to brand helpline number: 1800- 407-267-864
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Important information

Legal Disclaimer:

1 year manufacturer warranty.

What is in the box?

  • Handset(Non-removable Battery Included), Travel Adapter, USB Cable, Ejection Pin, User Manual
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    From the manufacturer


    Shoot the way you like it: Hyperlapse, Super Slo mo or 4K.

    Samsung Galaxy M21 Mobile Phone Information

    Technical Details

    Additional Information


    Samsung Galaxy M21 (Raven Black, 4GB RAM, 64GB Storage)

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    Customer reviews

    4.2 out of 5 stars
    4.2 out of 5
    2,32,556 global ratings

    Top reviews from India

    Reviewed in India 🇮🇳 on 2 August 2020
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    13 people found this helpful
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    Reviewed in India 🇮🇳 on 2 October 2020
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    4.0 out of 5 stars Not the Best out there, but Definitely Worth Buying
    Reviewed in India 🇮🇳 on 2 October 2020
    My previous device was Asus Zenfone Max Pro M1. By the time I bought this, Realme 7 was launched on flash, which in anyone's first look would be the best favourite in 15k range of smartphones. I never wanted to buy a Chinese made UI phone, the same reason why I bought Max Pro M1 more than 2yrs ago. Not because of this fake nationalism media furore, but because I genuinely care about my privacy. I always appreciate true Android OS experience, with the freedom to control my apps and settings. Why I'm writing about these things? Let's see.

    1. Samsung Galaxy M21 comes with its One UI 2.0, which has been recently updated to 2.1 with some camera improvements. It offers exactly same freedom to control app's permissions, check individual battery usage, use themes and feels better than the cheaper looking MiUI and RealmeUI.
    2. It comes with Samsung Max VPN function and I'm quite content with it. It saves me a lot of resources to not invest in a VPN subscription. However, it's slow and makes the browsing experience sluggish - story of every VPN ever existed. Still it's okay from privacy p.o.v.

    Now coming to the device's performance and features, I do not think I need to write much about it after 6 months of this device launch. I will simply post a 1-10 rating for each perspective.

    Performance: 7 (Occasional hiccups)
    Display: 9 (You already know about this)
    Ergonomics: 9 (Don't believe those saying its design looks outdated)
    Memory: 8 (in terms of multitasking)
    OS/Software: 9
    Rear camera: 7
    Front camera: 8
    Video capture: 8
    Battery: 10 (You might have already seen this coming, Gives me 10-12h screen usage)
    Miscellaneous - Face unlock & Fingerprint sensor: 9, Audio output from speaker: 7, Bluetooth connectivity: 7, WiFi reception: 9, Call through earpiece: 8, Body material: 6 (for using such a slippery plastic back), Heat dissipation: 4 out of 10

    The major issue I had handling this phone was due to this getting heated on the upper side of display, most probably due to a bad conductor of heat at its back. I haven't played a single game and I've stopped playing games on a phone long ago, so it's just the many shopping, social media apps and browsers that I multitask between. I ordered a flip cover along with the phone since AMOLEDs are thin glass, needs care while handling, but I couldn't use this phone with the flip more than a day! The upper part of display was heating up like a metal kept in sun. Such heating systems can permanently harm the motherboard and battery elements inside, along with your ears if you take calls at such times. I have also used my friend's Galaxy M20 and even that outdated device with 3GB RAM or so and a bad processor has better heat management.
    It gets mildly heated while keeping in the pocket, while charging, while multitasking a lot between social media and content downloading apps, every now and then even though I'm not a rough or heavy user. My screen usage a day stays within 6-9 hrs. I returned the flip and ordered a soft plastic back cover with a fabric design (You can get it at 149 from Amazon, it has holes on the back for air venting) but even that couldn't make it through more than 10 days of usage. Initially, it was handling heating fine but after a few days I again noticed similar heating issue. I returned it again and now I have ordered a plastic case, which simply holds it on edges and open on the buttons side and upper and bottom sides, hopefully for better ventilation. Doing fine since laat 2 days of use, but this doesn't provide any protection to display. It's just that I happen to be very cautious while handling my gadgets so I know it will survive for years in my hands. I never encountered such heating issues in my Asus Max Pro M1 with a metal back and rugged cover over it, even during heavy gaming and multitasking. It was there but on very rare occasions though. I have seen Samsung India responding to reviews here so, take a Note, Samsung.

    Verdict: I'm posting this on 2nd Oct, and I think still looking at the competition of the kind of products in this range, M21 is a good buy. If you can manage with the heating issue, which if you use with a partially-open back cover (the one in pic) or without any cover at all, won't be there. I wanted a phone I don't need to run for a charger every now & then, it checks that point quite well.

    Leave a Like to this review if you think this helped you choose a better option. Cheers.
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    Reviewed in India 🇮🇳 on 16 January 2023
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    Reviewed in India 🇮🇳 on 22 January 2023
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    Reviewed in India 🇮🇳 on 12 January 2023
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