OYO

Troubleshoot Upgrade

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1.  Recovering from a failed Firmware Upgrade

If after a firmware upgrade your oyo seems to freeze during the boot process and just stops reacting to any key press, chances are that the firmware upgrade did not work. This will happen if you start experimenting with your own modified firmwares and you make a mistake.

Fortunately, there are a number of things you can try to resurrect your oyo. The idea is to re-upgrade the oyo with a different firmware that you know is valid.

2.  Make sure your oyo has power

After a failed upgrade, your oyo might get stuck in a state that will quickly drain the battery. This could prevent your oyo from booting or could cause a new firmware upgrade to fail. You should therefore first of all connect your oyo to a power source.

3.  Can you hard reboot your oyo?

Try rebooting the oyo with a hardware reset and put it into firmware upgrade mode.

To do that, press the hardware reset button on the back of the oyo for 15 seconds, then press the back and forward keys, then the power key. You should see the battery sign appear (remember: your oyo should be connected to a power source!). It should then boot into 'os upgrade' mode.

If that does not work even after a couple of retry, the method explained in this page does not apply to you.

If you can hard reboot the oyo into 'os upgrade' mode, you can replace the faulty firmware with a valid one (see the next step below).

4.  Replace the faulty firmware with a valid one

For that, you will need a micro sd card.

Apparently the oyo follows an order of priority when looking for a firmware upgrade: it first looks on the micro sd card, then on the internal memory. So even if you copied the faulty firmware to the internal memory and cannot remove it from there since your oyo does not boot, you can still make a new upgrade using a firmware located on the micro sd card.

So just copy a valid firmware (qdutil directory) to the root of the micro sd card (eventually replacing the faulty one), insert the card into your oyo and reboot it into 'os upgrade' mode using the method explained above.

4.1  MarkS?20 April 2013, 20:02

hey there, how to get and install the original firmware (downgrade) on my oyo? I need to do a full reset ( delete my account, books etc)! please help .. thanx :)

4.2  keltiek?20 July 2013, 18:44

fnacbook FW on thalia oyo = brick!

4.3  Jesus?11 May 2014, 09:22

update your phone software: snetitg about phone software update 2) install the updates right away after download completed 3) your phone will reboot === *you need a Samsung acc. to update, sign up if don't have *important: plug your charger while rebooting, it takes time a bit *I'm not 'Samsung Guy' btw, had the same problem since yesterday, found this page an hour ago, tried method no.3, it works and my SG Wonder's camera back to normal.. hope the same for yours :)

4.4  link building?18 July 2014, 14:01

P8zlXQ Major thanks for the article post.Thanks Again. Cool.

4.5  crorkz matz?01 August 2014, 19:51

UIn5sz Really enjoyed this blog post.Really looking forward to read more. Great.

4.6  Witas?28 August 2014, 22:02

Help I tried to ugrade my firmware and my oyo stuck in "press power button to restart" but after pressing nothign happend. Can you help me or give me an advice? There is no reaction of any button or resset button on the back. I am so sad :-(

4.7  Lisiy?31 August 2014, 11:16

And in my case i can see that it reacts to reset key - after 10-15 sec my computer tells that USB device not recognized, but that's about all i can get.

4.8  matz crorkz?23 November 2014, 19:40

PcNLWK I think other web-site proprietors should take this website as an model, very clean and excellent user genial style and design, let alone the content. You are an expert in this topic!

4.9  crorkz linkz?16 January 2015, 03:36

3Lk6y0 Excellent website. Plenty of useful info here. I'm sending it to a few friends ans also sharing in delicious. And certainly, thanks for your sweat!

4.10  Krisztina?16 December 2015, 19:09

update your phone software: stiteng about phone software update 2) install the updates right away after download completed 3) your phone will reboot === *you need a Samsung acc. to update, sign up if don't have *important: plug your charger while rebooting, it takes time a bit *I'm not 'Samsung Guy' btw, had the same problem since yesterday, found this page an hour ago, tried method no.3, it works and my SG Wonder's camera back to normal.. hope the same for yours :)

4.11  Kaiden?28 January 2016, 00:08

Okay I'm covncnied. Let's put it to action.

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