If you own a T-Mobile shadow, you can get a free replacement that will extend your battery life from a measly 8 hours to a decent amount. The batteries manufactured for use in the early Shadows have defects leading to a very short lifespan. If you are getting bad performance from your phone, just call T-Mobile support and they will express ship you a replacement battery that will extend life.
It’s also possible to still keep your old battery, so than you can have an emergency backup battery 
Ever wanted to block your number when calling someone? Most people go to their phone settings, and find how they can select to permanently block their caller id (phone number) from being sent, but what if you forget to turn your caller id back on?
The easiest thing to do is simply type “#31# XXX-XXX-XXXX”… where the X’s are the number you would like to call.. This will block your number only for that call.
This code may or may not work with other cellular service providers, though your phone manual should include instructions on doing so. If you need any help, just send an email to us by click “submit a tip” at the top of your screen
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