Smartphone has so much influence in our daily life. But frequent use of smartphone may cause health problems. If you are using less amount of time on your smartphone but there is a chance that you may also get health problems due to bad SAR level of your smartphone. Full form of SAR is the Specific Absorption Rate. It measures the amount of radiofrequency energy absorbed by the body when using a mobile phone which can be very harmful to once body.
A good smartphone should have a SAR value of fewer than 1.6 watts per kilograms. credit: third party image reference You can also check the radiation level of your smartphone in terms of SAR, by dialing a USSD code *#07# on your smartphone. If the results show a SAR value below 1.6 W/Kg then the smartphone is safe. If your smartphone's SAR level is above 1.6W/Kg you have to change your smartphone immediately because of radiation which may cause health problems.