There are some tips for you if you failed to connect your Android devices to Syncios program:
1. Download the latest version of the program for reinstallation.
Download Syncios Data Transfer
Download Syncios Mobile Manager
2. Enable USB debugging mode and reinsert your USB cable to connect the device.
3. Try to find the driver to install on the PC. Here is a link for you to find the right driver:
| OEM | Driver URL |
| Acer | https://www.acer.com/ac/en/IN/content/drivers |
| Alcatel one touch | https://www.alcatelmobile.com/support/software-drivers/ |
| Apple | https://support.apple.com/en-us/HT204095 |
| Asus | https://www.asus.com/support |
| Blackberry | https://swdownloads.blackberry.com/Downloads/contactFormPreload.do?code=A8BAA56554F96369AB93E4F3BB068C22&dl=4DED1AC6DF6BFAD19100E456C4A49EB6 |
| Coolpad | https://androidmtk.com/download-coolpad-usb-driver |
| Essential | https://gsmmobiledriver.com/essential-ph-1 |
| Foxconn | http://foxconn.drivercan.com/driver/3272898/ |
| Fujitsu | https://www.fujitsu.com/global/support/products/computing/servers/primergy/drivers/ |
| Garmin-Asus | https://www.furtherupdates.com/garmin-asus-nuvifone-a50-usb-driver-free-download/25725/ |
| Gionee | https://androidmtk.com/download-gionee-usb-drivers |
| https://developer.android.com/studio/run/win-usb | |
| HTC | https://htcusbdriver.com/download/htc-usb-driver-v4-17-0-001 |
| Huawei | https://androidmtk.com/download-huawei-usb-drivers |
| Infinix | https://androidmtk.com/infinix-usb-driver |
| Intel | https://software.intel.com/content/www/us/en/develop/articles/intel-usb-driver-for-android-devices.html |
| KT Tech | https://www.driverscape.com/download/kt-tech-inc.-hs-usb-modem |
| Kyocera | http://www.kyoceramobile.com/support/drivers/ |
| Lenovo | https://support.lenovo.com/us/en/downloads/ds539091-driver-for-windows-10-7-8-81-32-bit-64-bit-thinkpad-usb-c-dock-gen-2 |
| LG | https://www.lg.com/us/support/help-library/lg-mobile-drivers-and-software-CT10000027-20150179827560 |
| Meizu | https://androidmtk.com/download-meizu-usb-driver |
| Motorola | https://support.motorola.com/us/en/drivers |
| MTK | https://usbdriverspie.com/download-mediatek-mtk-driver/ |
| Nokia | https://nokia-connectivity-cable-driver.en.uptodown.com/windows |
| OPPO | https://androidmtk.com/download-oppo-usb-drivers |
| OnePlus | https://oneplususbdrivers.com/ |
| Pantech | https://androidmtk.com/download-pantech-usb-drivers |
| Samsung | https://developer.samsung.com/mobile/android-usb-driver.html |
| Sharp | https://m.sharpusa.com/Home/CustomerSupport/SharpCareCenter/MobileSupport/ADBDriver.aspx |
| SK Telesys | https://drp.su/en/devices/phone/sk-telesys |
| Sony | https://developer.sony.com/develop/drivers/ |
| Tecno | https://androidmtk.com/download-tecno-usb-drivers |
| Teleepoch | http://www.teleepoch.com/android.html |
| Toshiba | https://androidmtk.com/download-toshiba-usb-driver |
| Ulefone | https://uptodrivers.com/download-ulefone-usb-drivers/ |
| Vivo | https://androidmtk.com/download-vivo-usb-driver |
| Xiaomi | https://androidmtk.com/download-xiaomi-usb-drivers |
| ZTE | https://support.zte.com.cn/support/news/NewsDetail.aspx?newsId=1000442 |