15 to 17ounces
It seems that you have answered your own question, if what you've stated is the correct answer
The average weight of a cell phone is 200grams - 800grams otherwise it's to heavy or light!
The weight of a cell phone can vary depending on the model and brand, but on average, a cell phone weighs around 150-200 grams.
An average American gets their cell phone around fifth or sixth grade.
A cell phone battery should normally weigh approximately 2/3rds the weight of the phone give or take a few ounces. Of course there might be some cases where this isn't the case. However, most of the time the battery should weigh 2/3rds the weight of the phone.
For an average cell phone plan, the average American pays between $60.00-$120.00 a month. You can try a pre-paid cell phone plan if you want to pay less.
On average, a top of the line cell phone with touch screen and a smart phone will be about $700. However, most companies will discount the phone with a 2-year contract.
I would measure its length in inches, its weight in ounces, and its screen brightness in lumens.
20 Months
Grams would be the most suitable unit for measuring the mass of a cell phone.
If they are in a relashinship around 6hour a day. With no relashinship 30 min.
depends on what cellphone