2016-08-03, 16:16
A custom ROM is highly unlikely to fix networking issues. MTK custom ROM usually use the same radios and kernels.
1. What have you tried so far
2. Where do you live
3. What's your carrier
4. Is it a clone, or genuine
1. What have you tried so far
2. Where do you live
3. What's your carrier
4. Is it a clone, or genuine