If OP just wants to browse the internet, then he should simply get a tablet like
1. Lenovo Tab P10, 4G Tablet PC, 10.1", 64 GB, Octa Core, Aurora Black
2. Huawei MediaPad M5 10.8, 4G Tablet PC, 10.8", 32 GB (eMMC)
3. Huawei MediaPad M5 Lite 10, 4G Tablet PC, 10.1", 32 GB (eMMC)