Sony Xperia T2 Ultra Dual Battery Replacement

Using the spudger, pry open the back cover by starting alongside the edge of the back cover.

Once the part of the back cover has been opened up. Slide the spudger to pry completely detach the cover from the phone.

Using the Phillips #00 Precision screwdriver, take out 8 silver screws (3.15mm) and 5 gold screws (3.9mm) for a total of all the screws attached to the flat plate. 3 of the gold screws are located at the top of the phone and the other 2 screws are located at the bottom of the phone.

To remove the internal cover, use the plastic spudger tool and pry the cover from the phone as shown in the picture.

Using the Tweezer, carefully pry open the corresponding chips that are attached to the battery as shown. Then using the spudger, pry the battery away from the phone and watch out for the sticky substance keeping the battery to the phone.