-General Buying Guidelines for Smartphones -
Operating System:Android: If you are going purchase Android based Operating System is to Modern means presently 7.0 Nougat and Oreo 8.0 Type of OS Enabled Right now so give preference for such kind of OS. Because modern OS helps us to use new apps as well having lots of new features.
Screen Size: It very important that selection of Screen Size as per my opinion it is better to select Small size 4.0 to 4.5 Size Compact Display Smart phones, Because easy to carry and easy talk.
Display Quality: Display quality is to be Good and Clear. keep it in your mind it should have Eye friendly and User Friendly. and is to be low sharpness and should have gorilla glass.
Design: The design of phone is to be attractive and easily piked, durable and heat resistant.
Speakers: Speakers should be Clear audible and attractive clear voice as well Side facing or front facing not back side facing. because backside facing Speakers are not good for regularly songs listener.
Camera: One who stated that "One Picture is Equal to Ten Thousand Words." Like that most of the mobile phone Companies says about_Mega Pixels but only some of them have good quality Checked. so While purchasing mobile Camera Quality is to be Checked Properly, better to know from your Friends mobiles. Both Selfy as well Back Camera.
Processor: Processor is to be fast and Should not overheating one. Some of the Devices Starts when plugged into Charging and Playing videos and using Internet. so that to be Considered.
RAM:(Random Accessible Memory) is to be minimum 3GB and Above. which fastens system working. at present in market 3GB, 4GB and 6GB of RAM Mobiles are available.
Internal Storage: Internal Storage is to be more than 16GB and above is good. because more Storage means more informative, fun, and Entertainment presently in Market 16GB, 32GB and 64GB and 128GB Mobiles are available and More demand seen in the Market to 4GB of RAM and 64GB of Storage Phones.
Battery Life: Mobile battery is life blood to mobile phones, so More MAh Batteries are good suited for smart phone to regularly now in market. i.e., 2500MAh and 3000MAh, 4010MAh and 4100MAh ect.
OTG:(On the go) most of the Smart phones having this facility to plug pen drives and Card readers, Access the Same, it is very simple way to access various files and Folders without Computer.
Hot Spot: Now a days Internet users ratio increasing so if mobile device had hot spot then we can use the same mobile data on various devices like Laptops, Tablet and other Wireless devices.
Flash Light: Camera Should have good Flash to capture good number of Snaps. Thank you this is my general information about Smart phone Buyers later I will Write on a particular device.