Samsung Galaxy NX Mirrorless Digital Camera 20.3MP (Android 4.4) Poor Wifi / Mobile Signal Problems

Does anyone have this camera that can help troubleshoot Wifi / Mobile issues?

I have this camera, it worked well. The wireless and mobile reception was good. After use, they have dropped dramatically, so that the transfer rates of images over Wi-Fi or mobile networks are less than 1 MB / s

If the camera is right next to the wireless router, this will be greatly improved.

I did a factory reset and reset and tried to assign static and dynamic IP addresses.
There seems to be no difference in 2.4 GHz or 5 GHz networks.

MacBook – WiFi can not connect in MacOS, but rebooting Windows does not work?

I have a MacBook Pro 2017 running macOS 10.14.3.

At home, I have a wireless router connected to multiple devices, including my MacBook. Recently, my MacBook had trouble connecting for some reason. If I manually select the network in the Wi-Fi menu, it will try to connect for a few seconds, and the error message "Unable to connect can try to come closer" (or similar) will be displayed without any additional error information. What exactly is this Problem.

After many attempts, he finally manages to connect to the network, but it works ping (the IP of my router) or ping, most packages have a timeout or it takes a response of 1s.

If you move closer to the router, the problem is not resolved.

Other devices (such as my iPhone) can be connected and work properly.

I can connect to my iPhone through hotspot, but the network performance is more or less the same. RingIt's terrible, even though surfing the internet with mobile data on my iPhone works well.

I also have Windows 10 installed on my machine via Boot Camp. When I restart Windows, I connect and Ping works great. This makes me believe that something is wrong with macOS, which causes this problem.

I understand that this is probably one of the issues that are not easy to solve since the problem can be caused by a number of things. But can anyone suggest something that I can try to diagnose the problem? Can I somehow "reset" the network stack?

Wi-Fi – Does anyone need to be connected to my network to sniff HTTP requests?

TL; DR Should a potential attacker have a Wi-Fi password and be connected to my network to read HTTP requests?

Last year, I did some home improvement projects for home improvement. This includes a garage door opener. The basic requirement of this is that if I want to open the garage, the Home Automation Hub will have a http (Not https) RECEIVE Request (eg to the DIY IoT device, which then opens the garage. (The IoT device triggers the garage whenever it receives this particular device / open garage Request)

For some time, however, that worries me. I was wondering if an attacker who is not connected to the network could intercept the HTTP Get request ( and then be able to replay this get request to open the garage without my knowledge.

So my question is: would an attacker have to be connected to my home network to intercept this RECEIVE Inquiry (/ open garage) or should they be connected to see this?

Thanks in advance for your help,

Best regards, Rocco

P.S. I understand that this request to one https Instead, it would obfuscate the request, but it is quite difficult to implement the proper SSL encryption on an ESP8266 that I use for this IoT device. Therefore, I am willing to make my security dependent on the strength of my WPA2 password. That is, if an attacker would have to be connected primarily to my network to intercept the request according to the above question.

Wireless – Wifi Deauth attack detect / prove and prevent

I have the suspicion that my neighbor performs several Wifi attacks against my Wifi. I'm using WPA2 and I do not think he can really crack my password, but my devices are still having problems with the Wi-Fi connection.

I would like to know:
a) How can I detect and prove that the Deauth tide is running against my AP?

b) How can I prevent this?


I have Lenovo IdeaPad 330 before I installed Kali Linux 2019.1, I had Windows 10 installed, and wireless works fine. I tried it in Ubuntu (last version as well), and in Kali, where there is no option for Wi-Fi.

I tried to disable Secure Boot, but I do not have it in the BIOS. I also have a lot of drivers installed and every time I have errors.

Last time I tried to install the respective driver RTL8821CE, but I have received some errors.

If anyone has ideas, please write below. (some SS, at home that helps you)

Wifi Cloud Storage – Exchange Information Security Stacks

If you copy an infected file from an infected computer to a cloud service and then copy it to the new (clean) computer, it will not be automatically infected. It only re-infected when the user opens one of the infected files.

I recommend you to make sure that you do not copy any exe, dll, sys, scr, bat, pif, lnk, com or other executables over. You can also perform a malware scan of the hard disk after copying the files to detect the malware on the hard disk if you accidentally copy it to minimize the likelihood of re-infection of the computer. You should also make sure that all software on the new computer is up-to-date (especially Windows Update).

Wi-Fi – Toggle help to automate the Wi-Fi call or airplane mode with Tasker

I am absolutely new to Tasker. I bought and installed this app to automate some things that IFTTT simply can not.

Here is the situation:

My bedroom is in a basement apartment and therefore I do not get a good reception when I'm down there, and since it also serves as my office space (on days when I work from home) and my play area, I tend to do so spend a decent time in my room. That being said, I have a LG V30 ThinQ with Android 8.x Oreo and my current service provider offers a Wi-Fi call service. Of course I turned it on and bingo … calls are now crisp and text messages are sent easily! Well … that's at least home. In my work, the opposite is the case: the WLAN is shit, but the reception of mobile services is always super strong. Yes, my phone is set to use Wi-Fi calls as a second priority for my mobile service (which means my mobile service will be used before the Wi-Fi call). Instead of switching intelligently on the strength of the cellular network Cell Service reception strength, only switches to Wi-Fi Calling if I have no cell service reception period anymore! What does not work well in the basement, because I get just enough signal at some point to switch it back to Shitty Cell Service!

Therefore, I want to use Tasker to create a task that allows switching of Wi-Fi calls as soon as a connection to my home network is made or disconnected. or to switch the airplane mode. As long as I'm connected to my home network, my phone uses the Wi-Fi call features without having to manually turn it on and off.

The problem is, since I am new to this topic, I do not know the first thing that belongs to this tasker version for programming a task. All the tutorials I came across were very unhelpful.

Could somebody work with me, even though he does something in that direction?

Many Thanks,

Nikolas Desforges