Always use a grounded soldering station when working on the MTK chipset.
Highlights of the primary (VBAT) and secondary (VCC) power lines. huawei g730 u00 schematic diagram pdf patched
In the repair community, a schematic usually refers to a PDF or bitmap that has been annotated by senior engineers to include: Always use a grounded soldering station when working
Direct Emmc connection points for dead boot repair. huawei g730 u00 schematic diagram pdf patched
If the PDF is hard to read, look for a PCB Layout Bitmap (like those found in DZKJ or XinZhuoZhan) which allows you to click a component and see all connected traces. 📥 How to Find the PDF
What is the (No power, no signal, or charging error)? Do you have a multimeter to check the voltage rails?