Buying a smartphone is not easy these day because every day new smartphone launch.
Buying a new smartphone is a great investment so must research before buy.
Generally people confuse what to consider before buying a smartphone
Build quality
Display quality
Processor and RAM
Camera
Battery
Storage
Security
Audio/speaker
Headphone jack/ USB port
Price
Connectivity
1. Build quality
First thing to keep in mind before buying anything is the product quality means smartphone build material, appearance etc.
Generally smartphone today come with alluminium body and good gorrella glass, so these are must for a strong look and from build perspective point. So choose to go with a smartphone company that build strong body in budget.
2. Display quality
Today in this HD world, it is necessary when you buy a smartphone that have large screen ratio, big screen, HD screen. So choose a smartphone that have big high quality display if you don't have any handling issue. Keep in mind that big display consumer high bettery and not pocket friendly.
High pixel means screen quality is good.
3. Processor and RAM
The processing power of smartphone can vary according to its specifications and storage space. Generally user that play heavy game and use many use app simultaneously need to buy a smartphone that have powerful processor like Qualcomm Snapdragon 652 or Snapdragon 820/821
And user that not need heavy use can go with Mediatek processor that can fullfil you demand.
4. Camera
Basically today smartphone come with auto focus, good aperture, large pixel size are having good camera.
But again if you are photomania person have a good camera means a lot then you have to go with a smartphone that capture sharp images. Having wide angle view.
5. Battery
Generally today smartphone come with large battery but to have to check whether if smartphone management is not good then battery will heat up and drain fast.
Basic battery must be of 4000 mah size that can last full day.
6. Storage
Today generally smartphone come with lot of pre-installed stuff that can't be deleted.
If you play game watch video after downloading in phone memory then you need a smartphone that have atleast 64GB of space in it and have capability to expend it to atleast 128GB with the help of microsd card.
7. Security
One of the most crucial thing to keep in mind is security. So go for a smartphone that supports quick fingerprint sensor, pattern lock and face lock that is reliable at every time.
Child security is also available in some smartphone so you can also keep this in your mind if your child are small.
8. Audio/speakers
Before buying any smartphone you have to check it's sound quality, both mic and song play speaker because without good mic quality and speaker you can enjoy music and relax. Sound quality must be clear at lound voice it should not fade or create noise.
9. Headphone jack/USB port
Micro USB and type C port for charging are generally available in smartphone both are good but today company shift towards type C port so you can go for it.
For headphone 3.5 mm jack is generally used but company are shifting toward a common port for charging and headphone so go for it preference. Type C port also help in faster data transfer.
10. Connectivity
Connectivity means which network your smartphone can support when you buy and if any further update arrive in future.
Generally phone come with 4G LTE and now with 5G too. So go for 5G preference.
Other things to consider in connectivity is Wi-Fi, Bluetooth and NFC.