Smartphone Troubleshooting & Repair -

: Using an SMD rework station to dry components or cleaning the motherboard with isopropyl alcohol to remove corrosion. 4. Advanced Board-Level Repair

: Replacing degraded lithium-ion batteries that no longer hold a charge or have begun to swell. Smartphone Troubleshooting & Repair

: Verifying SIM locks and checking IMEI numbers to rule out network-level blacklisting. 5. Quality Control & Documentation A professional repair isn't complete without verification: : Using an SMD rework station to dry