
The message is saying that the system software may have been modified, which is possible if it's a second-hand phone (you don't know what the previous owner did). Its warranty expired on march 26th of 2016". Informations about my phone from HTC support : So, this IMEI is related to an HTC One M9 manufactured to be used in USA with the carrier called T-Mobile. I already try to talk to HTC support but they cant help me anymore.

If you didnt modify your system software or would like help reverting your system, please contact us via the support section at htc website". Please revert your phone to the official Htc system software to update your phone. For your protection,we cannot update your phone. We have determined that your phone may be running a modified version of its system sofware. So I did it but its impossible to install it, I cant see : The phone suggest me to dowload the software update number : 3.35.617.16. When I just come back to home, I wanted to check if software updates was OK but It wasnt ok. I bought a second-hand HTC One M9 in france 1year ago. Many smartphone makers have updated their flagship, premium and even mid-range phones to 7.0 Nougat, while others prepare to launch new smartphones that run the Android version out of the box.Hello, first my phone work with : Android version : 6.0 / HTC Sense version : 7.0 / Last week, HTC announced that at least two weeks would pass until HTC 10 smartphones in Europe would receive the update, but it seems that the issues were resolved sooner since the rollout restarted a few days ago. The rollout seemed to be going well in the US, but in Europe the company recently halted the process due to some unknown bugs. HTC was one of the first smartphone makers to launch updates to Android 7.0 Nougat back in November last year. The next HTC smartphone expected to receive an update in Europe is the HTC One A9. HTC One A9 will receive 7.0 Nougat update in Europe next The update won’t delete any content of the user’s phone, but it’s always a good idea to back up information just in case.

The version has a larger size of 1.27GB and contains the 7.0 Nougat update, the latest Android security update by Google, and various system enhancements. HTC One M9 smartphones in Europe have started receiving a software update to Android 7.0 Nougat, version 4.14.401.7. The update has a size of 1.15GB, and it's recommended to download it over WiFi connection, rather than mobile data. HTC 10 Lifestyle phones will also get Android 7.0 Nougat, ROM version 2.22.401.3, according to Twitter user LlabTooFeR.

HTC 10 Lifestyle and One M9 smartphones in Europe are starting to receive software updates to Android 7.0 Nougat. HTC started the rollout of the Android 7.0 Nougat update to HTC 10 smartphones in Europe a few days ago and it seems that more phones in HTC’s portfolio are preparing to be treated to software updates to the same Android OS version.
