android 7.0call adb shell pm install-d-r command or adb install-d-r command to install lower version of the application hint:
Failure[INSTALL_FAILED_VERSION_DOWNGRADE] is there a test? At present, I have tested 7. 0 before the Android is no problem can pass.
(- d: allow version code downgrade (debuggable packages only))
adb install [-lrtsdg] <file>
- push this package file to the device and install it
(-l: forward lock application)
(-r: replace existing application)
(-t: allow test packages)
(-s: install application on sdcard)
(-d: allow version code downgrade (debuggable packages only))
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