Forgive me for the unclear title. Some time ago, my HTC M8, which is rooted and runs on a Venom ROM showed something weird. Firstly, in the Google Maps App a mysterious blue dot appeared, that captures the screen completely and makes it impossible to quit or use the application. It looks like this (I could make a screenshot)

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When this happens in Maps, the only thing I can do is a hard restart with Power+Volume Up.

Since I have seen this occasionally in the camera app as well, I suspect it is not a bug of Maps itself. I know that the Venom ROM is not standard but maybe this is connected to some setting and anyone has seen this. Btw, the Venom ran smoothly for almost 3 years now.

Question: Has someone a clue what this could be and how I can get rid of it?

  • Potentially malwares related. Did you recently install any app ? Go check your apps list if there are some apps that seem unusual. – esQmo_ Dec 17 '16 at 21:55
  • I'm very cautious with installing new apps. I have my set of applications and did not install anything new (or potentially untrustworthy). I know that making a clean install of the OS is a final solution, but I hoped someone came across this issue. – halirutan Dec 17 '16 at 22:04
  • Did you check the apps list? – esQmo_ Dec 17 '16 at 23:27
  • Yes, nothing which looks even remotely suspicious. I can identify every app. – halirutan Dec 17 '16 at 23:32
  • What about background processes and services? – esQmo_ Dec 18 '16 at 2:35

I found the answer to my question in this xda thread. What I experience is the white dot that can be switched on in the developer options, although there, I have never turned it on.

I guess my only solution is to either install a new ROM or return to stock :(

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