Reply To: Upgrade firmware Growatt 4000 TL3-S Home › Forums › Solar Power › Upgrade firmware Growatt 4000 TL3-S › Reply To: Upgrade firmware Growatt 4000 TL3-S 2023年5月27日 at am1:07 #8703 RonaldParticipant We need the correct firmware for model 4000 TL3-S
