You don't need a driver. You need to install the Modem Dashboard (Mobile Partner for Huawei or Mobile Connect for ZTE).
✅ Windows 10/11: No. Plug & play via RNDIS. ❌ Windows 7: Yes. You need the "NDIS 6.0" driver or the vendor dashboard. driver modem telkomsel 4g lte 300mbps
1️⃣ Lock the band. Force your modem to Band 3 (1800MHz) or Band 8 (900MHz) . Don't let it auto-switch. 2️⃣ Update the firmware. Stock drivers often have bugs. Go to the OEM site (Huawei/ZTE), not Telkomsel. 3️⃣ APN is king. Make sure it’s internet – not telkomsel or flash . You don't need a driver
Telkomsel often throttles during peak hours. The 300Mbps is a theoretical air link speed. To test real speed, use the Ookla server in Jakarta or Surabaya at 2 AM. Plug & play via RNDIS