Screens 6 min
OLED vs Incell screens: which replacement should your shop stock?
Panel construction, brightness, True Tone behavior, durability and price — a practical breakdown of the three screen grades repair shops actually buy.
Read the guideRepair Knowledge Center
Bench-tested repair guides from a Dallas parts distributor
Written for working technicians — how to choose between panel grades, verify a battery before it goes in a customer's phone, diagnose charging faults without wasting a flex, and build a starter bench that actually finishes jobs.
All guides
Batteries 5 min
How to identify original batteries (and spot the rewraps)
Cell codes, honest capacity ratings, cycle count on first boot and connector quality — the checks that separate an original-cell battery from a rewrapped one.
Read the guideCharging 6 min
Common charging-port failures and how to diagnose them fast
Half of "won't charge" tickets are not the port. A diagnostic order of operations that saves you a wasted flex and an unhappy customer.
Read the guideTools 6 min
Best tools for beginners: the starter bench for phone repair
What to buy first, what it's for, and what you can safely postpone until your ticket volume justifies the spend.
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