Since some missing pads are grounded, there is no need to repair them . Scrape to show circuits of other missing pads with a Sculpture Knife.

Apply tin to the bonding pads with a Soldering Iron. Put the Soldering Lugs in position. Solder with a Soldering Iron at 380 °C.

Apply some Solder Mask to the bonding pads that have been repaired. Then solidify with a UV Lamp for 5 minutes.