If you use the hardware serial on pins 0 and 1, you will have to disconnect the lcd during program loading, and user hardware serial, not soft.
If you use software serial on other pins, you are free to leave the lcd panel on during programming.
If you use the hardware serial on pins 0 and 1, you will have to disconnect the lcd during program loading, and user hardware serial, not soft.
If you use software serial on other pins, you are free to leave the lcd panel on during programming.