Sunshine wrote @Biswa4035 Hello! Thank you very much for your kind reply. Please refer to the following link to get the firmware that you could fix the 4G band： MR200(EU) V3/V4, MR400(EU) V2/V3,...

@Vipul07i Vipul07 wrote @tofane69 https://static.tp-link.com/2020/202007/20200714/LTE_GATEWAYv3_1.11.0_0.9.1_up_boot(200325)_2020-06-12_15.48.55.zip go to basic then internet! you can select bands...