Locus Map Gold is too dark

Started by Wole, June 12, 2021, 16:08:19

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I have now received the update to Android 13.
Unfortunately, nothing has changed.

The brightness and the speed of the dimming did not improve.

I must therefore continue to do without LM4 and hope for long support of LM3 by Menion.


I use the Oppo Find X2 pro as a bike sat nav because LM4 doesn't run properly on most Samsung devices.

Now my Oppo receives the ColorOS 12.1 software with the information that overheating protection has now been installed. According to the description, apart from a few apps, all the rest should be shut down when a certain temperature is exceeded.

Then it seems that the other manufacturers of smartphones are gradually following Samsung's example, so that it can be foreseen when LM 4 is no longer useful.

I will not import the update for the time being and have asked Oppo at what temperature the function will take effect.


I have now received the following answer to my request from Oppo about installing the overheating protection:

"When the temperature of the device reaches around 40 degrees Celsius, appropriate temperature control measures and strategies are taken. This is mainly to protect the battery to prevent damage to the device and battery.

If you receive a corresponding warning message or the device switches itself off, it is advisable to let the phone cool down before continuing to use it."

The Oppo reached temperatures of max. 44 degrees outdoors in summer. This means that the use as a navigation system for LM4 is so severely restricted that I will not import the update in order to be able to continue using LM4. This information for other users to decide how to deal with this issue.


I do not have this dimming issue with LM4 on my Samsung S22 Ultra running Android 13.


Since the post was reopened in the German forum, here is my answer in case it should interest one or the other:

"It shouldn't be the problem of a navigation app. I had already rummaged through all sorts of German and English-speaking forums. At least with Samsung, the problem also affects other apps, such as e-mail apps, etc.

If it only affects the navigation apps, the question always arises, why only LM4, why not LM3 as well? So I agree with JackRussel that Menion is accessing some function in LM4 that is causing the problem.

Thank God I was able to deactivate the function on my S 21 Ultra in good time via Alliance Shield. All firmware updates have not changed this, thank goodness, so I can currently navigate with the device and LM4 without blacking out.

What surprises me, however, is that these problems are not still being reported here or in the English-speaking forum. It shouldn't just be the Samsung devices that are affected, right. I also use an Oppo Find X 2 pro as a navigation device. A firmware update with the great improvement "automatically switches off the display if it overheats" has been offered here for months.

When I asked when the protection would take effect, I received the following message from Oppo "When the temperature of the device reaches around 40 degrees Celsius, appropriate temperature control measures and strategies will be taken."

Before that, there was the following message without temperature information: "If the device is exposed to high ambient temperatures and performance-intensive applications are run, the device may heat up more."

It follows for me that when dimming, the firmware distinguishes between "power-intensive and non-power-intensive applications." So it may be that LM3 is not performance intensive and LM4 is performance intensive, whatever the difference.

Of course I haven't updated the firmware, so I can currently run LM4 on both devices without any problems.

But how it will work with new devices later, when the devices are getting old, remains the exciting question.

Finally, the question: Has anyone ever tried to factory reset a device with current firmware on which Alliance Shield can no longer disable temperature protection and then before updating the firmware to the current state, the protection turn off? Because as I said, once deactivated, the protection apparently remains deactivated even with the latest software. "


Thanks @Wole for the additional info.

I'm still unable to find any reason for this behavior, sorry. The core of both apps is still identical. We also tried even a basic clean app install and the result is the same. Also, it does not happen on any devices we currently have.

Complicated and still unsolvable issue  ::)
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