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OtterBox Defender Series Samsung Galaxy A51 - protective case for cell phone

Mfg # 77-64946 CDW # 6082993 | UNSPSC 43191610

Quick tech specs

  • Protective case for cell phone
  • polycarbonate, synthetic rubber
  • for Samsung Galaxy A51
  • rugged
  • black
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Know your gear

Handle any adventure with OtterBox Defender Series - the protective Galaxy A51 case that delivers legendary defense. Its multi-layer construction guards your device from serious drops, dirt, scrapes and bumps. Plus, the included holster doubles as a belt clip or hands-free kickstand. *Case not compatible with Galaxy A51 5G.

This item was discontinued on January 13, 2023

Enhance your purchase

OtterBox Defender Series Samsung Galaxy A51 - protective case for cell phon is rated 3.30 out of 5 by 50.
Rated 5 out of 5 by from Tough as nails Tough as nails! Dropped my phone from 25 feet on a concrete floor. Not a scratch. Dropped it in a mud puddle. Retrieved it in seconds. Immediately took it out of the case. No damage at all. The only reason I didn't give it 5 stars is I'm fat. If I don't have the phone in the belt clip and I bend over the tab breaks off. When I get a new phone it comes out of the box and into an Otterbox! Old phone looks brand new! No way I would spend that much on a phone and not protect it with an Otterbox!
Date published: 2023-02-11T00:00:00-05:00
Rated 5 out of 5 by from A must to keep your phone safe from drops Had this for a week and feel my phone is safe from accidental falls or hard contact with other objects. I do wish it had a screen protector like I had with my old defender but still very happy with my purchase.
Date published: 2020-05-16T00:00:00-04:00
Rated 5 out of 5 by from Disappointed I looked to see if there was an Otterbox for my new phone before I bought it, that's how much I love Otterbox. But, it was not made clear before my purchase of an Otterbox for my A51 that there was no screen protector included, I believe the Otterbox screen protector saved my old phone twice when I dropped in a muddy brook. My biggest complaint is that I emailed this comment to you two weeks ago and never received a response, nothing.
Date published: 2020-09-23T00:00:00-04:00
Rated 5 out of 5 by from ripped off It was advertised at $39 I needed it so I paid $19 for shipping my credit card was charged $79.99 I will never buy an Otterbox again. Unreal I should contest it w my credit card comlany
Date published: 2020-07-28T00:00:00-04:00
Rated 5 out of 5 by from Case is good. Misleading description your website hid the fact it was a screen less case. Had to go digging to find out it was screenless. VERY disappointed
Date published: 2020-05-02T00:00:00-04:00
Rated 5 out of 5 by from Best case ever made I had one for my Google phone and when I bought the Samsung, that was the deal breaker. I found two places with the phone but neither had the Otter box defender. Went home and bought both online, since I didn't want the phone without the case protection.
Date published: 2020-10-21T00:00:00-04:00
Rated 5 out of 5 by from Defended I'm pleased with the ruggedness of the Defender case. I'm sure to drop it, likely accidentally kick it, and who knows what else. So that is why I bought a case that can stand up to the elements and the unknown. I recommend it!!
Date published: 2020-09-13T00:00:00-04:00
Rated 5 out of 5 by from This otter box is lacking. Not as good as my last otter box. No screen protector.
Date published: 2020-05-19T00:00:00-04:00
Rated 5 out of 5 by from Sturdy I believe my new phone is totally protected against any & all hazards. However, I want to alert future buyers that it is extremely difficult to install - I was afraid I was going to break my phone! I finally had to take everything to a retired Air Force officer who managed to get it installed! But now I am a happy camper!
Date published: 2020-08-16T00:00:00-04:00
Rated 5 out of 5 by from Awesome protection This case has never failed me. Great protection for my cell
Date published: 2020-07-16T00:00:00-04:00
Rated 5 out of 5 by from The Best I have always purchased an Otterbox with my smart phones. At first I thought they were a little pricey but after seeing other people drop or break their phones, I figure an Otterbox is less expensive than a new phone. I have never broke a phone or screen. Thank you Otterbox!!
Date published: 2020-05-19T00:00:00-04:00
Rated 5 out of 5 by from OtterBox is amazing!! Several friends have the sameDefender Series Case and I had always heard about their experience. They were right. This is the best cell phone case I have ever owned. Way to go OtterBox. You are the best!!
Date published: 2020-03-04T00:00:00-05:00
Rated 5 out of 5 by from Crash From The Start So the horrible experience start with the challenged person at AT&T store and continued to the non-caring Otter Group who can't even work from home and answer the baad phone. I paid $59.00 for the best case and got the worst service. The case was the wrong case and the phone number for customer service say that due to COVID-19 they can't answer the phone. Fun a phone product company does not use phones WHY! I am still waiting 4 weeks later for someone to send me information about how I can send the product back and get my $59.00 not worried about the other $29.00 I paid for the overnight shipping. Someone at this company needs to understand business and if I am going to pay $25 to $45 more for a phone case and spend $30 on shipping which is a negotiated rate (recommend hiring that person that can not match the rate of every other company in the world on shipping rates and is about twice what it should be. What is wrong with great customer service and hiring someone to work for your company that cares, are we just ok with bad companies and bad customer service with CEO reaching Billionaire Mark??
Date published: 2020-09-25T00:00:00-04:00
Rated 5 out of 5 by from BEST CASE EVER Best Case ever, I had a friend get this Defender Case so he wouldn't damage his Phone.
Date published: 2020-06-01T00:00:00-04:00
Rated 5 out of 5 by from Very good product. I`m disappointed that for $60 it could have included a screen saver. In today`s world, everything is extra and all about more money.
Date published: 2020-09-02T00:00:00-04:00
Rated 5 out of 5 by from very disappointing purchase The Defender came without a screen protector which was very disappointing. I have purchased many Defender case over the years and screen protector was included. It was not clear that it available for more money to purchase it separately on the website.
Date published: 2020-07-27T00:00:00-04:00
Rated 5 out of 5 by from Love it!!!! Not my first purchase from this company and not my last!!!! I Trust Otter Box!
Date published: 2020-06-18T00:00:00-04:00
Rated 5 out of 5 by from Not happy, phone does not work properly when in it From the day it was delivered. It sucks! Will never buy another one!
Date published: 2020-09-13T00:00:00-04:00
Rated 5 out of 5 by from Paid for itself.,G-S5 Bought an otterbox defender for my Galaxy S5. It paid for itself several times over. As the rest of my family bought less protective covers for comfortability, and had to replace their phones a lot earlier than i had to. Alas, my S5 was damaged by being run over recently. Got an A51a couple days ago., need to find a armored case now.
Date published: 2021-11-01T00:00:00-04:00
Rated 5 out of 5 by from 2nd purchase that is the wrong size This is my second purchase and this still does not fit my cell phone. I am not sure how to find a Size that will fit my phone.
Date published: 2021-11-28T00:00:00-05:00
Rated 5 out of 5 by from Durable case Helping keep my phone protected. I work in a sandy environment, wind blowing all the time. I occasionally drop my phone.
Date published: 2021-08-16T00:00:00-04:00
Rated 5 out of 5 by from Clip breaker Easy on easy off clip, need to sell clip separately, they break to often
Date published: 2022-04-11T00:00:00-04:00
Rated 5 out of 5 by from Not for 5g Will you guys be releasing this case for the 5f version? I bought one of these when purchasing my phone and it doesn't fit obviosly and don't want to be stuck with the less then satisfactory symmetry case.
Date published: 2021-02-17T00:00:00-05:00
Rated 5 out of 5 by from Case Required Modification to fit The casing does not fit the side buttons on the A51. It requires a Dremel tool to open the slots and remove about 1/8" of plastic to clear the Power button. After modifying the case, it fits much better but still does not latch. Phone is too thick for casing.
Date published: 2021-01-10T00:00:00-05:00
Rated 5 out of 5 by from Disappointed This is the 3rd Otterbox defender case I have bought. The 2 I had for old phones came with full protection (case & screen protector. This 1 was just a case. Not thrilled that I have to spend even more money for a screen protector.
Date published: 2021-01-14T00:00:00-05:00
Rated 5 out of 5 by from Useless Did not fit my phone. So tight it made my phone not work. Not screen protector. Huge waste of $63.
Date published: 2021-01-15T00:00:00-05:00
Rated 5 out of 5 by from Best Otterbox Ever Went from S6 to A51 Android Samsung. Third cell with Otterbox in ten years. Best fit and performance of the three! A51 by itself doesn't 'fit' my hand. With Otterbox the A51 fit, feet and functionability is well, just right. Outstanding product.
Date published: 2020-12-04T00:00:00-05:00
Rated 5 out of 5 by from Love the Otter This is the second phone that I have used the Otter on. I am extremely happy that I did.
Date published: 2020-12-23T00:00:00-05:00
Rated 5 out of 5 by from Maybe I'm too old. Once installed, it's great. The installation "instructions" are all just diagrams, which I did not comprehend at all until after I had almost destroyed my phone trying to snap it into the frame. A few words, pointing out what in the diagrams is my phone versus what are the components of the Otter could have been a helpful orientation.
Date published: 2020-12-17T00:00:00-05:00
Rated 5 out of 5 by from A very nice case I can tell that it is a very durable case. It fits my phone very well. I have not lost any functionality. I am glad that I bought it. I think that it was money well spent to protect my phone.
Date published: 2020-12-27T00:00:00-05:00
Rated 5 out of 5 by from I like it it helps my phone I got this so it will help it from broken screen or a mess up phone I love it
Date published: 2021-04-10T00:00:00-04:00
Rated 5 out of 5 by from Best protection for phone I've used otterbox for about 10 years now, work construction and my androids last easily 3 years no screen cracks etc.
Date published: 2020-12-01T00:00:00-05:00
Rated 5 out of 5 by from BEST PHONE CASE AROUND This is the only phone case I will ever use. I am a Union Commercial Equipment Service Journeyman, and work in high locations. I have dropped this phone from very high heights and never had any damage. In my opinion this is the BEST phone case on the market!!!
Date published: 2020-11-23T00:00:00-05:00
Rated 5 out of 5 by from A51 5G The box did not alight up with my buttons correctly and caused my phone to malfunction. I could not lock my screen or work my phone properly because of this alignment issue. And the worst part about it all is they have not sent me a replacement or refunded my money. I didn't even receive a call from anyone. Otter box disappointed me this time.
Date published: 2021-01-29T00:00:00-05:00
Rated 5 out of 5 by from Nowhere as good as my 1st one 6 years ago. Neither the volume tabs nor the on/ off tab fit operate on my Samsung A516U cell phone it was supposed to. As of today, 1/21/21, I have not received the full refund as promised.
Date published: 2021-01-21T00:00:00-05:00
Rated 5 out of 5 by from Laredo buyer I bought this at otterbox because of previous experience, but with this particular case I wasn't convinced 100% like with the previous ones, the case doesn't fit the phone 100%, it doesn't adjust completely, i would say from 1-10, 8.5
Date published: 2021-01-26T00:00:00-05:00
Rated 5 out of 5 by from You Can Rely on Otterbox A few years ago, I put my phone down on my car and drove away. It was miles later that I realized what I'd done. Luckily, someone had seen it fly off my trunk and turned it into the local police station and I got it back. The screen was all cracked up - but you wouldn't know it. My Otterbox not only had protected it from damage, but it held that darn screen together - fully functional - which it remains to this day. Which is to say, every one of my phones will always have an Otterbox on it. When I finally upgraded to the A51 this month, I wouldn't even take my new phone out of the box until my Otterbox arrived. I will admit the instructions were a little lacking, but I finally figured it out (ok, my teenaged son figured it out. But I've already dropped it at least 10 times, and it's fine. I can't fix how clumsy or forgetful I am, but at least I won't have to fix my phone.
Date published: 2021-02-08T00:00:00-05:00
Rated 5 out of 5 by from I am not satisfied with the product the casing of structure does not look solid and no protection for the screen, love better the casing of Samsung Galaxy S7
Date published: 2021-02-05T00:00:00-05:00
Rated 5 out of 5 by from Not even close Bought the otter box for my A51 (5g not knowing that there's two different case styles out there. The case I received was for a regular A51. So I was a little disappointed finding out that a company like this does not offer a otterbox for the 5G yet! Time to step up the game!
Date published: 2021-04-17T00:00:00-04:00
Rated 5 out of 5 by from Otter Box for my Galaxy A51 Big improvement over the protection sold with the phone by Costco, who did not have products by Otterbox. I was surprised that I had to purchase the screen protector separately, my last purchase for my old phone included the shield.
Date published: 2021-05-02T00:00:00-04:00
Rated 5 out of 5 by from Does not fit my phone, Extremely unhappy, took to long to get here and it didn't even fit my phone, and it didn't have a cover for the screen. Would like my money back.
Date published: 2021-04-27T00:00:00-04:00
Rated 5 out of 5 by from Best cell phone holder I work construction and its durable and the belt clip is great
Date published: 2021-03-18T00:00:00-04:00
Rated 5 out of 5 by from ZERO STARS!!! Bring back the screen protectors If I would have known there was no screen protector with this i would not have purchased. I used to sweat by them and didn't know you changed them. I'm livid. I paid 60 bucks for a case I was expecting to have all around protections and I did not get it. Whats the use of buying the super overpriced case if it doesn't protect the WHOLE phone. Im beyond mad and disappointed and will not buy another one til you make the quality all around protecting product you used to. Pretty sure im going to return this because I can't afford the 60 dollar case to just let it break my phone. Cause you won't replace the phone when it drops on the screen and breaks will you. No. I wanted superior protection and expected nothing less with the ridiculous prices and I was utterly dissapointed.
Date published: 2021-03-17T00:00:00-04:00
Rated 5 out of 5 by from Otter box Case I bought this for my husband's new phone. He likes the otter box because it has a clip so he can wear it on his belt. This is the fourth one he has had.
Date published: 2021-03-01T00:00:00-05:00
Rated 5 out of 5 by from Doesn't Fit Recieved delivery, unboxed it to place phone inside, and the A51 does not fit inside the case. Volume buttons and power button are 2-3 Millimeters below the openning in the case, and the clips won't close around the phone. The worst part: I am a patient enough person that I will call the company when I need to get the customer service I paid for, but their phone number leads to an ever looping automated system that does not aid me in problem solving. So now I have a case I cannot use, from a company only reachable in this review. The packaging boasts that the case is designed for Samsung Galaxy A51, so the least they could do is engineer it to fit the phone.
Date published: 2021-03-20T00:00:00-04:00
Rated 5 out of 5 by from Online order Thought I was getting a protector with a screen protector as well. This is not the case. Had I have known thus was the screen less protector style I would not have ordered
Date published: 2021-03-13T00:00:00-05:00
Rated 5 out of 5 by from worst product for4 the Galaxy A51 Thwe side buttons did not align with the otterbox for the A51.
Date published: 2021-03-27T00:00:00-04:00
Rated 5 out of 5 by from Phones need otterbox! I have used otterbox for 7 years with 4 different phones in the family. We upgrade with phones that still look brand new becuz of otterbox
Date published: 2021-07-09T00:00:00-04:00
Rated 5 out of 5 by from Disappointing Definitely provides protection for your cell phone. The trade off is that it's big and bulky. Won't fit in tech pocket of cargo pants. The button covers are so stiff it takes an excessive amount of force to activate the buttons on the phone underneath. Just didn't work for me.
Date published: 2021-05-20T00:00:00-04:00
Rated 5 out of 5 by from Good quality It's good quality overall, but I don't know why the screenless edition is the only protector available for the Samsung Galaxy A51. For what I paid for, it could've had the screen cover.
Date published: 2021-08-05T00:00:00-04:00