To achieve a stable connection:
If either driver is missing or corrupted, your flashing tool (like SP Flash Tool) will freeze at 0% or return an error like ERROR: STATUS_BROM_CMD_SEND_DA_FAIL .
Another driver is conflicting (e.g., usbser.sys from a GPS device). Go to Device Manager > View > Show hidden devices. Uninstall all Ports (COM & LPT) entries with the name "USB Serial Device," then reinstall MTK driver. mtk 6261 usb driver
Open (right-click the Start button and select it).
Many users mistakenly install "MTK Android USB drivers" (for chipsets like MT6580 or MT6795). Those drivers are for and MTP (Media Transfer Protocol) . They will not work for the MT6261 because: To achieve a stable connection: If either driver
The tool’s progress bar will turn red (BROM), then purple (DA), then yellow (download). If you see a red bar and then an error BROM ERROR: S_BROM_CMD_SEND_DA_FAIL (0x1315) , the USB driver is not responding correctly.
The MediaTek MT6261 is a low-power, entry-level System-on-Chip (SoC) designed for high efficiency on a tiny budget. Despite its age, it remains a favorite for basic connectivity: : A 260 MHz ARM7EJ-S core. : Typically features only 4 MB of RAM and 4 MB of flash memory. Connectivity Uninstall all Ports (COM & LPT) entries with
Windows 10 and 11 will block these drivers by default unless you temporarily lower security settings. Go to > System (or Update & Security ) > Recovery . Click Restart now under Advanced startup .
Beyond flashing, the MTK 6261 USB driver allows you to use (MediaTek Engineering Tool) to send AT commands . This is critical for changing IMEI, calibrating GPS, or debugging modem issues.
This is normal behavior. The MT6261 preloader only stays active for 2–5 seconds before timing out. You must click Download in SP Flash Tool before connecting the powered-off phone. Practice the timing.