Mobile phone repair technician
An 8-step path to repairing phones: lithium battery and ESD safety, disassembling iPhones and Androids, replacing screens, batteries and charge ports, glass refurbishing, software flashing and data recovery, then board diagnosis and hot-air soldering. Suits patient people with steady hands and good eyesight.
Start here
Step 1: Lithium battery safety, ESD & tools
One short lesson per step, 10–15 minutes on a phone. No sign-up needed.
Hands-on roadmap
Roadmap
- Step 1Lesson
Lithium battery safety, ESD & tools
Handle swollen batteries, never puncture cells, keep a fire-safe tray; ESD wrist strap and mat; precision screwdrivers, suction cups, microscope, hot-air station, iron and DC power supply.
No English content for this step yet.
- Step 2Skill
Disassembling iPhones & Androids safely
Heat adhesive, open the glass, track long and short screws, unplug cables in order (battery first); common mistakes: tearing Face ID flex, long screws damaging the board.
Requires: Lithium battery safety, ESD & tools
No English content for this step yet.
- Step 3Skill
Replacing screens, batteries, charge ports & cameras
Choose original, OLED or incell screens; transfer True Tone and battery data with a JC box; replace charge ports, speakers and cameras; test touch and reseal gaskets.
Requires: Disassembling iPhones & Androids safely
- Step 4Skill
Glass refurbishing, software & data recovery
Separate and laminate glass with a vacuum press and OCA; flash Android ROMs, restore iPhones with 3uTools; back up customer data first and never bypass locked iCloud accounts illegally.
Requires: Replacing screens, batteries, charge ports & cameras
No English content for this step yet.
- Step 5Lesson
Phone circuit basics & reading schematics
Power, charging, CPU, RAM and baseband sections; use ZXW or Borneo schematic software to find test points; read boot current on a DC supply to narrow faults.
Requires: Replacing screens, batteries, charge ports & cameras
No English content for this step yet.
- Step 6Skill
Hot-air soldering & basic board repair
Replace charging ICs, shorted capacitors and connectors with hot air and an iron; use flux and solder balls; avoid excess heat that warps the board or lifts nearby chips.
Requires: Glass refurbishing, software & data recovery, Phone circuit basics & reading schematics
No English content for this step yet.
- Step 7Project
Repair 10 real phones & keep a fault log
Take 10 phones from a shop or friends: intake checklist, repair, full function test, log fault, fix and time spent, and review any failed jobs.
Requires: Hot-air soldering & basic board repair
No English content for this step yet.
- Step 8Assessment
Skills test, pricing & opening a counter
Timed screen and battery swap plus diagnosing a dead phone; build a price list, parts warranty policy, intake receipt and customer channels on Zalo and Google Maps.
Requires: Repair 10 real phones & keep a fault log
No English content for this step yet.
