You installed the driver, but your speed test still shows 150-200Mbps. Here’s why.
In some Telkomsel Orbit modems, the 500Mbps feature is disabled in the stock firmware. You may need to flash an unlocked generic firmware that exposes full MBIM driver support. Download Driver Modem Telkomsel 4g Lte 500mbps
Warning: This voids warranty and may brick your modem. You installed the driver, but your speed test
After flashing, Windows will automatically detect the modem as a “Qualcomm HS-USB Network Adapter.” Redownload the official driver—it will now install the 500Mbps profile. After flashing, Windows will automatically detect the modem
The biggest red flag in this query is the "500Mbps" attachment to a driver file.
If you can provide the specific Model Number printed on the device, I can give you more specific guidance on where to find the correct software.