Bypassing package conflicts with an existing package by the same name error - Samsung Galaxy S7 Questions and Answers

Hi Guys,
I installed Truecaller app in my S7 a couple of months back. I lost the sim with which I registered it. Now it is asking for an update. If I install an apk file, it gives an error The package conflicts with an existing package by the same name error. Is it possible to bypass this error without uninstalling the installed app?
Thanks

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[Completed] App not installed. An existing package by the same name with a conflicting signature

I have installed an apk file previously and now intend to install another updated apk file to my android phone. However the installation of the new apk file failed with message "an existing package by the same name with a conflicting signature is already installed".
I had tried to uninstall the first apk and then install the new apk file but the installation failed with the same message appeared. My phone is not rooted. Is there any way to rectify the error ?
Thank you in advance.
kclimkc330 said:
I have installed an apk file previously and now intend to install another updated apk file to my android phone. However the installation of the new apk file failed with message "an existing package by the same name with a conflicting signature is already installed".
I had tried to uninstall the first apk and then install the new apk file but the installation failed with the same message appeared. My phone is not rooted. Is there any way to rectify the error ?
Thank you in advance.
Click to expand...
Click to collapse
I found another user who could fix a similar issue with YouTube.apk: [Q] Installing the new YouTube V5 apk Issues (task's AOKP).
Maybe it works for you too.
Alternatively you can check if the un-installed (first) app is really completely uninstalled. Maybe it's a system app which still has some left-overs in another folder and is just "de-activated" or "disabled".
However, completely uninstalling of system apps requires root access.
If you still have issues and you can't contact the app/update dev for help, you can post your questions in the Android Development and Hacking > Android Q&A, Help & Troubleshooting forum.

The package conflicts with an..... error while installing apps

Hi Guys,
I tried to install WA+ in my S7(non-edge) phone but I am getting an error, The package conflicts with an existing package by the same name. Since there is no way to uninstall the preinstalled WA, I disabled it but still the same error is there. I have seen people having WA+ in their phones without rooting or deleting the preinstalled version. What should I do?
Thanks
Bump.

How to Mod Whatsapp on your own

Hi,
I want to mod Whatsapp on my own without using third party apps such as GBwhatsapp , Whatsapp plus, parallel space apk, appcloner apk...etc. I want to know how they do it.
What i Found
I tried using an android application that clones whatsapp and found there is two methods used:
1. Workspace Method: Parallel Space installs whatsapp in the root folder of the Parallel space application it self without changing in the code or any thing. There is several apps that do the same. ( I am not interested in this method)
2. Apk editing method: Appcloner apk, it clones whatsapp to a different name and allows modification to the app, but on one condition the original whatsapp version must be installed in order to verify the whatsapp number. (This is what i am trying to do manually) but i need to solve the problem where i dont need to install the original app in order to work(gbwhatsapp solved this problem but how?)
What i tried:
A.
I tried decompiling the whatsapp using (apktool, ApkEdit) then signing the app using zipsigner. The app gets installed but the problem is i cant get pass whatsapp verification number it gives an error and returns whatsapp to the first page:
"Something is wrong with your version of whatsapp. Please download the latest version from our website: https://whatsapp.com/android."
This is the error that i face and i want a fix for it.
B.
I used zipsigner on the original whatsapp apk file and signed the apk with new signiture then installed the app. I found that it gave the same error as above.
Conclusion:
Changing whatsapp apk signature prevents you from verifying the whatsapp number.
Can any one provide us with a fix how can we do this and mod our own version of whatsapp. I presume there is something to do with exposed since i found exposed modules in the decompiled folder for the cloned Whatsapp apk by appcloner and the apk gbwhatsapp.
Thanks
Related post:
https://forum.xda-developers.com/android/general/how-to-mod-whatsapp-t3872019

what's wrong with this apk? I can't install it on a specific device but it can be installed on any other device

Hi,
I have an apk that I would like to install on my smart tv, but when installing it I get the following error "An existing package by the same name with a conflicting signature is already installed" but I am 100% sure that there are no packages installed with the same name since I wiped my smart tv clean, not that if I installed the same apk on my phone it installs just fine, if I install it on a tv box with the same version of android as in the smart tv then it works as expected.
also if I try to install a different apk on my smart tv it works also, but that specific apk with the specific smart tv that I have just don't work.
My tv is an off-brand 55' that runs the same firmware as a Tcl v8 TVs, in fact, I have updated it using a firmware file from TCL site with the version number "v8-s68at02-lf1v198"
running Aida64 reveals that the android version is 5.1.1(lollipop) and the API level is "22" and the "minSdkVersion" of the apk is "21" so it should install just fine
I uploaded the apk here https://drive.google.com/file/d/1UtDuZee6xv9ISW9a-e4T-YHiIYJ2Y48J/view?usp=sharing
can someone tell me what's so special about this apk?
Regards
You get this error message if Android's PM ( package manager ) detects that a similar APK version is already installed. Hence delete the already installed APK version: if APK is a user app then a Factory Reset may help in doing so.
If APK is a system app and/or a system-priv app then Android OS must get rooted before trying to manually uninstall it.
xXx yYy said:
You get this error message if Android's PM ( package manager ) detects that a similar APK version is already installed. Hence delete the already installed APK version: if APK is a user app then a Factory Reset may help in doing so.
If APK is a system app and/or a system-priv app then Android OS must get rooted before.
Click to expand...
Click to collapse
I understand what the message means but as I said in the OP the strange thing is that the package is not installed, I even formatted the tv and wiped it clean, and tried to install the apk and it gave the same error.
Have never heard or read that PM produces false error messages.
Just to make matters stranger I created a dummy app in android studio with the same package name and installed it on the tv and it worked fine! so if it was true that the app is installed it would've warned me but it didn't.
now I resigned the problematic apk with the same certificate as my dummy app and tried to install it on top of my dummy app, it did tell me it will update the app since they have the same package name but after clicking update it also showed me "An existing package by the same name with a conflicting signature is already installed" which is strange since they should both be signed by the same certificate.

Question Unable install APK

Hi everyone,
When running into trouble with Revolut apps on the 12SU (China ROM), I tried to install an older version via APK from apkpure. I am however unable to install APK's. It says "couldn't install. Error 999" I have tried several other apps, same thing.
I already gave permission to install unknown apps to firefox, chrome and the xiaomi app installer app, but to no avail.
Any thoughts?

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