APN & data settings From any Home screen, tap the Menu key. Tap Settings. On the Networks tab, tap More. ... Tap Mobile networks. Tap Access Point Names. If available, tap the T-Mobile US APN (the bullet point fills with green). ... Tap the Menu key. Tap Save. https://apn.gishan.net/settings/1367_23_...
that soldering iron may not get hot enough for you. It depends on what is already in there. some of these new ROHS solders require higher temperature soldering irons.
Don't cheap crap if you want to do a good job. Get this setup http://www.ebay.com/itm/2-in-1-Soldering-Iron-Rework-Stations-SMD-Hot-Air-Gun-Desoldering-Welder-852D-/181139781537?hash=item2a2cc5b7a1:g:xC4A...
You have apps running in the background. Which is draining your battery. Double click the main button at center bottom. When the icons come up. Hold finger down on one icon. Shut off the apps by X'ing on the icons Go to settings and turn off location. That drains the power constantly.