Used iPhone Wholesale Checklist
The iPhone-specific checks for used lots, including Activation Lock, carrier lock, MDM, battery health, parts history, and IMEI.
Topic tag
“QC” — page 3
Page 3 of the PhoneBulk archive of guides tagged QC, sorted from newest to oldest.
Wholesale Phone Grading Without a Fake Standard
Why Grade A, B, and C are not a global phone standard, and how to write cosmetic and functional grades that two inspectors can repeat.