Answer to: How to recover text messages from a dead/powerless deviceGenerally speaking, the deleted contacts were still saved on your phone, you can use an app to detect them and get them back on computer before they were covered by new data. You should stop saving new data to your phone and find an app to help. how to recover lost lg text messages
Answer to: Looking for an htc phone manager toolWell, a third party android assistant app could meet the needs of you. There're many this kind of apps , google it to know more.
Answer to: How to Recover and transfer data from phone to phone?To transfer contents between android phone and iphone, you can also use Coolmsuter Mobile Phone Transfer to help.