Redmi 9 Prime No Service Fixed! 4G Network Solution (VC7643 Replacement)

If your Redmi 9 Prime is showing "No Service," "Emergency Calls Only," or only catching a weak 2G signal while 4G is completely gone, this video is for you.
​In this technical breakdown, we use the Borneo Schematic Tool to trace the network section. Through proper hardware testing and bitmap tracing, we identified the culprit: the VC7643 4G Power Amplifier (PA). Watch as we perform a precision IC replacement to restore full 4G VoLTE connectivity.
​🛠️ Repair Highlights:
​Diagnosis: Tracing network lines when 2G works but 4G fails.
​Schematic Analysis: Using Borneo to locate the VC7643 IC.
​Micro-Soldering: Professional removal and installation of the new PA IC.
​Final Testing: Network signal strength and data speed verification.
​📱 About City Mobile Repair Point
​We are specialists in advanced chip-level motherboard servicing. Whether it's a dead handset, network complications, or high-end programming, our lab is equipped to handle it all.
​Our Core Expertise:
​Network Solutions: 4G/5G IC replacement and signal jumping.
​Motherboard Repairs: CPU Reballing and Power IC troubleshooting.
​Memory Services: EMMC & UFS Programming (Dead Boot Repair).
​Software & Security: Expert Unlocking and OS Flashing.
​Hardware: Premium Display and Glass replacements.
​📍 Visit or Contact Us:
​City Mobile Repair Point
Stadium Road / Temple Road, Chengannur, Kerala
​📞 Call / WhatsApp: +91 9946600306
+91 9020601050
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Видео Redmi 9 Prime No Service Fixed! 4G Network Solution (VC7643 Replacement) канала City Mobile Shop CNGR