Customer Service?If you have any problem about the dock connector , please feel free to contact us, we will reply you with 24 hours. Easy to Install?Necessary professional repair tools are included. Professional repair tools make it easier to replace. REVVL 4 charging port replacement part of Instruction manual are not included. There are many guides are available on YouTube for your reference. Just search TCL REVVL 4 charging port replacement and follow the video to replace. You can install it successfully. Quality Guarantee & Warranty?All USB charger board have passed strictly QC double tested and 100% in good condition before shipment. We provide 6 months warranty for T-Mobile REVVL 4 5007Z 5007W usb connector dock flex cable(non-human damage). Application?When your REVVL 4 5007Z 5007W charging port and USB Data Port does not working or defective. Compatibility?The USB charging port only for T-Mobile REVVL 4 5007Z 5007W replacement(Not for T-Mobile REVVL 4 Plus). Please make sure your phone model before purchase.This product only for dock connector replacement, not include other phone accessories. Please transfer them from old screen.