diff --git a/_htc/htcu12+.markdown b/_htc/htcu12+.markdown
index cab6ec8..1ad0de0 100644
--- a/_htc/htcu12+.markdown
+++ b/_htc/htcu12+.markdown
@@ -18,6 +18,8 @@
 MTP is working starting with Release 3.2.3-1.
 Release 3.2.3-2 supports HTC´s firmware 1.30.xxx.y with security patch state of 1st September 2018.
 Release 3.2.3-3 supports HTC´s firmware 1.53.xxx.y with security patch state of 1st December 2018.
+Release 3.2.3-4 supports HTC´s firmware 1.53.xxx.y with security patch state of 1st December 2018. Starting with 3.2.3-4 booting TWRP won´t mount system RW, therefore no longer impacting OTA functionality by solely booting TWRP.
+Release 3.2.3-5 supports HTC´s firmware 1.57.xxx.y with security patch state of 1st January 2019.
 
 {% include download.html %}
 
@@ -27,7 +29,8 @@
 
 If you do not already have TWRP installed:
 Download both the img and the zip. Make sure you download the img, that matches your current firmware´s security patch date before booting it! As of HTC´s Software Update 1.30.xxx.y the security patch state changed to 1st September 2018.
-As of HTC´s Software Update 1.53.xxx.y the security patch state changed to 1st December 2018. To confirm which version to boot, take a look at the XDA thread! All the needed information is usually available there. You will need to have fastboot binaries and the correct drivers installed. Power off your device completely. Hold power button until device vibrates, when vibration kicks in let go of the power button and hit immediately volume down button. Your device should now be in the bootloader. Boot now to download mode. Connect the device to your PC. Open a command window and run the following command from the proper location:
+As of HTC´s Software Update 1.53.xxx.y the security patch state changed to 1st December 2018. As of HTC´s Software Update 1.57.xxx.y the security patch state changed to 1st January 2019.
+To confirm which version to boot, take a look at the XDA thread! All the needed information is usually available there. You will need to have fastboot binaries and the correct drivers installed. Power off your device completely. Hold power button until device vibrates, when vibration kicks in let go of the power button and hit immediately volume down button. Your device should now be in the bootloader. Boot now to download mode. Connect the device to your PC. Open a command window and run the following command from the proper location:
 
 fastboot boot path/to/twrp.img