Make sure you purchase the right battery for your Smartphone. Batteries are not compatible between different brands, and often not among phones within the same brand. It’s recommended that you use original ALCATEL ONETOUCH batteries.
Which battery do I need for my ALCATEL ONETOUCH PIXI 3(4) Cell Phone?
For your ALCATEL ONETOUCH PIXI 3(4) Smartphone you need a a lithium-ion rechargeable battery (sometimes called a Li-ion battery or LIB): Alcatel TLi014A1 Battery, 3.7V 1400mAh.
Replace the Battery
2. Remove the back cover. Hold the device in one hand and find the small notch that will help you to release the cover. It’s on the the bottom-left corner of the phone. Insert a fingernail into the notch. Lift upwards gently to pop the phone open. Working from the bottom-left corner to the bottom-right corner and then lifting the back cover upwards seems to work well. Be careful not to damage your fingernails when you remove the back cover. Also, be certain not to bend or twist the back cover excessively. Doing so may damage the cover.
3. Take the old battery out. Using your nail or finger, lift up the current battery via the small notch at the top of the battery compartment and lift the battery out of the phone. The battery ought to pop out smoothly.
4. Install the new battery by aligning the three contacts with the three prongs on the bottom-right side of the battery slot. Use the small white arrow for help. Slide the battery into the battery housing cavity and press down to secure it in place.