Helo all may be you already know it but gud news for those who dnt know it, now you can select settings for your update tab and select which notifications you want to recieve an which one not
Update tap>menu>settings
Then select your settings according to you choice and press update in the end
Change mobile number easilynow easily you can change your number
No need to request staff or anything like that just change your number authentication code will be send to that number and enter code and done