Practical diagnostic troubleshooting prepared by experienced workshop technicians: display combo lamination, battery PCM testing, and charging IC repair workflows.
Step-by-step bench guide to separating broken digitizer glass, cleaning adhesive frames, and installing an OEM tested combo display on the Vivo Y11.
Battery Diagnostics4 min readUnderstanding zero-cycle lithium-ion cells, PCM protection circuits, and why replacement batteries require proper initial calibration.
OCA & Glass Refurbishing6 min readMastering temperature, vacuum time, and autoclave chamber pressure for bubble-free curved and flat display refurbishment.
Hardware & PMIC5 min readHow to isolate charging faults between the sub-board flex, VBUS supply line, OVP protection chip, and PMIC switching regulator.
Hardware & PMIC7 min readComprehensive micro-soldering guide for identifying primary power rail short circuits using voltage injection and thermal rosin detection.
Tools & Equipment4 min readFrom precision JBC soldering irons to optical stereo microscopes, here is the verified equipment checklist that cuts repair time in half.
Order tested display combos, zero-cycle batteries, charging flex boards, and B-7000 adhesive directly with flat dispatch rates and Delhivery express tracking.
