In this video, we share the complete and tested solution for the Vivo Y55 no service or no signal problem. If your phone is showing no network, no signal, or emergency calls only, this guide will help you fix it. We explain step by step how to check the network section, antenna lines, RF IC, power amplifier, and signal ways using proper tools. You will also learn how to check voltages and identify faults with a multimeter. This solution is fully tested and verified, suitable for both professional technicians and beginners. Watch the full video and solve your Vivo Y55 network issue confidently.
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