We received this phone last week for water damage data recovery. First, the repair was attempted, the phone was disassembled and carefully examined under the microscope. There were few bad spots but it looked like it can be repaired.
Back in August, we received a 64GB Transcend Compact Flash card. Under first assessment, the card was found to have a dead controller. There was no other solution but to remove the chips and use VNR to recover the data.
Salt water damaged iPhone 6
Extremely corroded, especially when viewed under the microscope. Phone required: ultrasonic cleaning, board level repair to relieve any shorts and replacing few components, screen connector, and various other parts needed replacement as well.
The iPhone came back o life and data was recovered.