Support Phone in Odin Mode

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http://androidforums.com – I let my 3 yr. old grandson play with my phone earlier and some how he got it stuck at a screen that reads: odin mode product name: sch-I405 custom binary download: no current binary: samsung official and then there's the android logo, and under it, it says "Downloading... Do not turn off target !!" It ran like that for about 30 mins. I talked to someone and they told me press the power button until it turn off and back on, and repeat again. Now it started up normal. I'm just curious was it downloading anything? What happen to the download file if it did download a file? Thnx. (General)