How To Thoroughly Inspect A Smartphone Before Purchase: The Fullest Guide

Used phones for sale… This word combination sounds scary for a number of people and for that reason many sellers opt for the word «pre-owned» instead. However, in reality lots of people buy used phones online and don’t regret about it!

Check out this new or used smartphone buying guide in order to make your new or used smartphone purchase an enjoyable experience!


Always get the first-hand information with Jiji!

1. Where to buy used phones

Where to buy a used phone? There are lot of places to do that: Swappa, Ebay, Craiglist, Social networks, classified ads portals. However, not all of them will have what you need and there’s a chance of being scammed too.

The very best place to buy used phones is without any doubt Jiji, #1 Nigerian online-marketplace:

  • Millions of goods are already sold here;
  • Jiji ng phones and other goods are sold only by registered users;
  • Jiji offers both new and used goods;
  • Effective filter-enabled search;
  • The opportunity to buy goods at the lowest price;
  • The opportunity to discuss the details of the deal with sellers right on the website;
  • Advanced protection system against scammers.

So, ask yourself: isn’t this website the best place to buy used cell phones online?!

If you’re still wondering where to buy used android phones or iPhones – phones on Jiji would be an ideal solution for the most reasonable deal! Check out and find used phones for sale – there are all kinds of smartphones available on Jiji today!


2. What to look for when buying a used phone: general info

There are 3 reasons why folks sell their second hand phones:

  1. Upgrade to newer phone,
  2. Their Phone is faulty
  3. They are in need of money.

Sometimes people don’t even realize that their phone is faulty – so, here’s what to check when buying a used phone.

2.1. Check if the phone is not stolen

Buying a used phone, you have to make sure that you’re not buying a stolen one. So, valid Imei check is very important: type *#06#, the number has to match with the number on the Bill/Box. iPhone Imei check: vizit

  1. Check if the Bill has a genuine IMEI.
  2. Check if the Bill is a genuine VAT paid bill.
  3. Check if the Bill is in the name of the seller.

2.2. Beware Of Replicas

  1. The best thing to do would be to take the smartphone to any Authorized Service Centre and have them check it.
  1. An easier way of how to buy a used phone being sure it’s authentic:
  • For Android – check the hardware with the «Test Your Android» app.
  • If you buy used iPhone, go to Apple’s Website & check your service & support coverage.

2.3. Check the Overall Condition

Sometimes body panels are attached to the screen and fixing this is very costly!

2.4. Check the Functionality

  1. For Samsung phones: type *#0*# to inspect hardware functions. This screen should come up:

The code will test the LCD display and all the functionalities:

  • pixels and display (change all pixels to Red/Green/Blue/White);
  • vibrating;
  • pixel dimming;
  • camera;
  • all the sensors (accelerometer, magnetic and others…);
  • touch functionality;
  • sleeping mode;
  • speaker;
  • buttons.

2. For other Android devices use hardware testing apps like «Phone Doctor», «Test Your Android».

Top 10 Apps to Test Hardware of Android Device

You can use these 10 Android apps to test real hardware abilities of your Android or any other Android device. These apps will help you confirming the hardware configuration and also checking the performance of the hardware of your new Android phone.

2.5. Check the Battery

  • If removable: take it out, see if it not bulged, rotate it on a flat surface – if it does rotate fast – it needs replacement, if rotates slowly or not at all – battery is fine.
  • If non-removable: check the percentage & restart – if it drops more than 3%-5% – the battery needs replacement, if not – it works fine.

Insert SIM card then & check if it works OK.

2.6. Check the Current Market Price

Make sure that the price for the used device is at least 15% lower than the CURRENT MARKET PRICE.

3. How to check second hand mobile phones on Android

How To Thoroughly Inspect A Used Phone Before Buying

Here’s how to thoroughly inspect a smartphone before buying! Don’t buy a used smartphone without watching this video! This video will instruct you how to buy a used phone and it is guaranteed to save you a lot of money and regret.

4. What to check when buying a used iPhone

If you want to know, how to buy a used iPhone please check the buying a used iPhone checklist video below:

10 Tips For Buying A Used iPhone?

10 Tips For Buying A Used iPhone – In this video I help you when deciding to buy a new iPhone what you should look for. These 10 Tips should ensure you that you get the right product in your hand!

5. What to check when buying a new phone

The same rules apply here as well – check the rights of the owner for the phone, that the body is intact, the phone’s display, functionality and battery.

And the most important thing is to tell the authentic device from a fake!

Spotting A Fake iPhone:

How To Spot A Fake iPhone

( ͡° ͜ʖ ͡°) — Today’s Mystery Video – This video features a knockoff of the iPhone 6s. It’s actually quite similar in appearance and could probably sneak past the untrained eye. The software is an iOS lookalike skin on top of Android.

Checking the genuineness of the smartphone: easy method to test IMEI: 

How to Check if Mobile Phone is Original or Fake : EASY IMEI TEST METHOD


Wanna buy a pre-owned smartphone significantly cheaper than anywhere on the Web? Try buying Jiji used phones – great choice, comfort & protection from scammers are guaranteed by #1 Nigerian online-marketplace!

Install free updated Jiji app now – use Jiji at its best!

I love to always be in the epicenter of the events, and then tell the world about it in the most diverse forms.I believe that many rules are created in order to break them in an attempt to create something new.Many of us sometimes need to stop for a moment, perhaps lose something in order to rethink our existence and understand in which direction we need to move.In addition to blogging, I am fond of music composing, traveling, self-studying and meditation. I sincerely believe that if you go your own way and listen to your inner voice, you will definitely come where you were going!