Why do you want to update it, something is not working? If everything works for you, then leave it as it is. Sometimes an update will bring more problems than good. PX30, 2gb of ram is not enough nowadays, the demands of applications on memory and processor are still increasing. You will speed it up a bit if you put it in factory settings, but not for long, it will slow down again over time. If you insist on the update, here is the MCU update, first make a backup of the factory settings, in case of problems with the dmcu.cfg file, you will restore everything to its original state. Factory settings/123/ Export/ save the dmcu.cfg file to external storage:
And here is the firmware update, the choice is yours. The date is in brackets, you can try the latest hct4_px30_9.0_ota(20200507) is from 7/5/2020:
Or try Hal9k mod 4, it has more settings and is a bit faster, read more in the thread:
This version is deprecated. The new version is here MCU version: MTCD_ХХХХ, MTCE_ХХХХ, MTCP_ХХХХ Firmware version: 4.0.0 (01.02.2020) Version of the latest OTA update: 4.2.2 (06.02.2022) About firmware: Firmware for car head units on the...
You can also upgrade it to android 10, but that's more complicated, you can find all the information here:
To upgrade a MTCD/E PX3, PX5, PX6 from Android 6+ on using official Rockchip free tools - a reminder, bringing together multiple threads. First note - if coming from Android 6 - early versions of Realtek dual BT/WIFI (type 2) are not supported...
Or you can replace the processor board, but the bluetooth may not work, in which case the bluetooth module must also be replaced.
For users with MD725 Blue wanting to upgrade to Android 10, a potential BT module swap may now be possible. A supplier found here: https://a.aliexpress.com/_msfMaoV update 11/21 - can be installed in any unit. Only the RX, TX and supply are...
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