What is Ingress cell phone app? - Motorola Mobility Droid (2 GB) Cell Phone

Follow the link. How to Transfer Apps and Data to New Phone

Some of the available Flashlight Apps are able to harvest data from your phone and send it home to whomever. One app in particular, Brightest Flashlight, demands access to your Sim Card, Contacts, Location, Camera, and Dialer. Why would a flashlight needs that. Read the permissions any time you download an app. You will be surprised by what some of them are able to access.

code p0122 refers to throttle position sensor A /accelerator pedal position APP switch A --low input or switch B circuit malfunction===causes--wiring short to ground TP/APP sensor--ECM--wiring open/short to ground/short to positive--TP/APP switch --ECM. I would replace the sensor first paying particular attention to the wiring and connectors ( water ingress and dirt)

try clean motherboard

hi,
check for liquid ingress, and replace the charging connector it will fix the problem

Check phone liquid ingress keypad connector to main board,swap another flip,if ok,replace keypad or display.

Check liquid ingress?
Check battery,cleans batt contact.if not,
Try software upgrade.if not.
Using equipment check current draw if yes
Take out PA (power amplifier) faulty

You will most probably need to replace the ribbon cable that is connecting the keyboard to your monitor. Your terminals may have corroded due to water ingress. You will need an experienced hands on person do this job for you.