After restoring, your V101F is a blank slate. You must reconfigure the cellular APN (Access Point Name) or it will show "No Service."
If your V101F shows (no lights, no screen, no USB detection) or only a blinking red LED, you have a "hard brick." This often follows a failed flash or physical damage to the bootloader. Restore SAMSUNG V101F 4G LTE Mobile WiFi Hotspo...
When a factory reset doesn't fix boot loops or the device won't start past the logo, you need a using the Samsung Emergency Recovery Tool (SERT) or QGDP (Qualcomm Download Protocol) . The V101F uses a Qualcomm MDM9x07 chipset. After restoring, your V101F is a blank slate