I can make calls and receive calls (SIM card with phone number; Phone app) BUT there is a very annoying problem:
When i try to make or answer a call, a dark gray screen pops up over the whole dialing screen with a padlock icon and the words "double tap to unlock".
Related question: does my tablet have proximity sensor? As on internet some one says that the above pop-up is due to the absence of the sensor and this way device protects me from accidentally press something...
Based on these pages, my tablet does have proximity sensor and thus the above is not a root cause for the problem:
https://tektechy.com/samsung-galaxy-tab-a7-lite/ proximity sensor: yes
https://rounded.com/samsung-galaxy-...roximity-sensor-module-gh81-20659a.html?sl=en
When i try to make or answer a call, a dark gray screen pops up over the whole dialing screen with a padlock icon and the words "double tap to unlock".
Related question: does my tablet have proximity sensor? As on internet some one says that the above pop-up is due to the absence of the sensor and this way device protects me from accidentally press something...
Based on these pages, my tablet does have proximity sensor and thus the above is not a root cause for the problem:
https://tektechy.com/samsung-galaxy-tab-a7-lite/ proximity sensor: yes
https://rounded.com/samsung-galaxy-...roximity-sensor-module-gh81-20659a.html?sl=en
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