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#Htc sync manager device unavailable 4 install
#Htc sync manager device unavailable 4 drivers

It is also no longer supported in HTC phones that were updated to Android 9 such as HTC U11 and HTC U11+.

Select USB composite device in the right hand side list as the screen shot below and then click Next HTC Sync Manager is not available for use with HTC Desire 12, HTC Desire 12+, HTC U12+, and later phone models.

Don’t check “Show the compatible hardware”.

#Htc sync manager device unavailable 4 drivers

• Tap “Let me pick from a list of device drivers on my One command that seemed to be promising was 'fastboot oem edl' However, when my phone went to edl mode it was no longer accessible for fastboot On advice of another post I downloaded MiFlash2015.10.28.0 and libraimages51221.0000.115.1.tar.

Select “Browse my computer for driver software”.Right click on your phone's name or "MTP USB Device".Expand "Portable Devices" in "Device Manager".If you could see your phone as the portable device on your PC, but there is still no "Android USB Device" in "Device manager", please try to manually update the driver for your phone. 4' I've tried everything, and the tech support line couldn't help. It initially finds the phone, then after a few seconds I get the message 'Device unavailable. The solution was provided by HTC's support website: I can't get my HTC One X to connect with Sync Manager. This explains both the 4.3 issue of MTP and ADB conflicting, and the 4.4 issue of no ADB.

After the update, MTP was always recognised first. Uninstalling and reinstalling HTC Sync Manager & Drivers.Īs it turns out, the issue was that my phone was no longer being recognised as a composite USB device by Windows, meaning only one of ADB, MTP or HTC Sync was capable of running at a given time.A different phone (my old HTC Desire HD) which still works over adb.Different USB cables which did not work.However, I have USB debugging enabled under developer options, I have my Android SDK completely updated and HTC Sync Manager fully updated. This does not appear to have any impact on the functionality of MTP however.

#Htc sync manager device unavailable 4 install

When USB debugging is enabled, it fails to install MTP drivers and states that the device was disconnected during installation. When USB debugging is disabled, it also installs MTP drivers. Additionally, Windows detects the phone and installs drivers for the device (recognised as "HTC One" though some resources seem to indicate it should appear as "My HTC"). However, I am able to transfer files via MTP, something I was unable to do on 4.3 while USB debugging was enabled. adb devices tells me no devices are found HTC Sync Manager is also unable to detect the phone. Since this update occured, I am no longer able to connect to the device with adb for the purpose of installing apps in development on a Windows laptop. I have recently updated my HTC One from the stock 4.3 firmware it came with to the stock 4.4 firmware via an OTA update.