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Android 9 Pie for everyone: here's how to get it on POCOPHONE F1, Mi A2 Lite & Co.

I do not deny having been inspired by some colleagues who began by stating that the modding is not dead and maybe it has never been so alive. The basic problem is that resorting to modding today, in most cases, is no longer a real necessity but more than anything else a race to try out new features and why not operating systems. It is indeed the case of the recent Android 9 Pie that unofficially is available for most smartphones, but attention is not all that glitters.

Xiaomi Mi A2 4 / 64Gb Global
Xiaomi Mi A2 4 / 64Gb Global

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Perhaps few have heard of GSI, Namely Generic System Image, which differs from the classic Custom ROM to which we are accustomed for the simple fact that a GSI turns out to be a single data package that can be installed on many devices while a Custom ROM must be specially developed for a specific device. The convenience of a GSI ROM is therefore immediately clear to everyone, and this half miracle is made possible thanks to a feature made available by Google, thus expanding the infinite possibilities of modding.

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Let's talk about Project Treble, difficult and perhaps complex to explain, so I will limit myself to tell you that this function has allowed to separate the section dedicated to smartphone drivers from the Android code, allowing therefore to update only the part relating to the latter. Maybe I have really reduced the explanation to the bone, but what really matters and what interests us is that it gave life to the GSI, una sort of universal ROM that works independently of the hardware of the device, if not those dictated by the smartphone's CPU architecture (ARM-ARM64) as well as the type of partitioning (Slot A - AB Slot).

Android 9 Pie for everyone: here's how to get it on POCOPHONE F1, Mi A2 Lite & Co.

Well told so is a crazy absurd (pass me the term), and to proceed to the flash of a GSI are few and simple steps to be done, but ... I will spoil you now that I personally have not been satisfied at all, so much so that I am returned to the stock version of my smartphone, specifically I tested with a Xiaomi Mi A2 Lite. At the end of the article I explain the why and then now I can only tell you the steps of how to install a GSI on your smartphone, which as an essential condition must meet three characteristics: the first is to have the bootloader unlocked, the second is to have i drastic ADB and Fastboot installed on your PC and the third is that of be enabled for the Project Treble.
To check this last condition, it will be enough download the Treble Check application from the Play Store, install it on your smartphone and start it. At this point some will be returned to you important information, such as the support or not to Project Treble and if the partition of your smartphone is type A or AB. In case of type AB you will have a green tick at the entry "Silent updates" (as in my case) otherwise (check red) you will only have slot A.

As I said before, for my test I used a Xiaomi Mi A2 Lite, which uses the processor Qualcomm Snapdragon 625 to 64 bit, while the slot partition is AB, so I'll have to download one GSI AB Slot - ARM64. In case you want to try this procedure for example with a POCOPHONE F1 / Mi 8 which use the 845 Snapdragon SoC to 64 bit, you will have to download a GSI Only Slot A - ARM64 as for the two devices are not supported silent updates.

Read also: REVIEW XIAOMI MI A2 LITE | INSTALL THE GCAM ON XIAOMI MI A2 LITE

You will wonder where you can download the GSI. You just have to consult this link, and then choose the GSI version best suited for your device. Many recommend Pixel Experience Android P, but I personally encountered problems in the flash by sending the smartphone to bootloop. So I opted for the GSI version Omni Android P. The convenience of a Pixel Experience resided mainly in the fact that the GAPPS were already installed but basic the functioning of the two ROMs remains the same.

And so here, the first risk: you may have problems with the flash and then run into bootloop, so if you do not have cold blood and experience, I strongly advise you to try even minimally to think of doing such modding procedures. That said, once you have downloaded your GSI you will have to extract it into the ADB folder on your PC and then proceed as follows:

1

Make a backup copy of all your data as you will have to reset the smartphone to the factory settings.

2

Once the smartphone has been reset, remember to enable the USB DEBUG.

3

Restart your smartphone in Fastboot mode and connect it to your PC.

4

From the ADB folder on your PC, open a PowerShell window.

5

To verify that your terminal is connected correctly, type the command:

fastboot devices

6

If everything is OK (you will get a message with a series of numbers and letters) you can type the following command:

fastboot erase system

7

Immediately after, enter the command:

fastboot flash systemnome_system.img

* replace system_name_name with the real name of the newly extracted GSI ROM

8

Once completed, restart the device with the command:

fastboot reboot


This is the procedure that I have performed, but on the network someone says that the passage linked to the fastboot erase system is not necessary because a reset has already been made to the factory conditions. Where is the truth unfortunately I do not know, but I can tell you that in my specific case the procedure was successful and then I'm enjoying Android 9.0 Pie on my Xiaomi Mi A2 Lite… No, absolutely no.

The new features of Android 9.0 Pie seem to be all present, like the new gestures navigation system, the new multitasking, the launcher's suggestions, the smart battery management, the Digital Wellbeing but what absolutely did not convince me is the poor optimization of the rounded corners of the display like the rather pronounced ones of the Xiaomi Mi A2 Lite, and then items such as the battery percentage icon or the time are cut outside. Also in my case WiFI hotspot did not work (for me an essential function) but above all the camera did not work if not by installing third-party applications.

In short, the philosophy behind Project Treble is truly extraordinary and with great potential, but personally I found the use of a not sensible GSI. The need to put a hand and live with compromises does not make sense, so much is worth staying with the original ROM of your smartphone. Modding makes sense when it brings improvements and not just to satisfy the whims of a tech fan. I'm not throwing the GSI on the contrary I hope that the development continues but perhaps they are still too immature to meet the needs of a user without having to regret anything.

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Always passionate about technology but very timid. I tried to overcome shyness first by opening a youtube channel and then collaborating as a columnist and reviewer on some blogs to finally reach xiaomitoday.it Write: [Email protected]

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