Re: I have bought my First Mobile Phone Because of Signature Compaign earnings
My mean is that I had small phone and it's model make was Oppo A53 and I don't know how I was doing all this. I have mobile but you know that I was very tired of this mobile as it's processor was too low and I can't even open apps and it was disaster for me.
Well, that's entirely different story and I am glad to see that you edited the title so it reflects what actually happened. Anyway, congrats. 
Just went through your post history and I noticed you have worked for Sherbet for about 3 weeks which the last week you were shot paid, your current rank is worth about 40$ base on the campaign payment 40+40+24 that's $104 from your 3 weeks signature earning, you did not spend a penny from the $104 and you later added extra $46 to your earning to make it $150 which is not equal to the half of the phone price which is $400 like you said.
If you read the first post carefully you would notice that OP had other sources of money other than signature campaign. One of the (many) things I like about this forum is that people who come from less developed parts of world can actually improve their quality of life by just being active here. I think that even theymos said something along those lines and its one of the reason why I don't see signature campaigns going anywhere.