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Switch off the phone.
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Press and hold Volume Up, Home and Power buttons for a long time (15-20 sec.).
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When you see the Galaxy logo release the buttons.
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To navigate through the Android System Recovery menu, use the Volume up/down buttons to scroll up and down and the Power button to confirm selections. Select:
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- wipe data/factory reset
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- Yes -- delete all user data
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- reboot system now.
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Hidden Test Menu - lets you troubleshoot hardware issues and check your phone's functionality.
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• Method One: Use this code *#0*# to enter the phone into the test menu.
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• Method Two: From the deal app enter *#7353#
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Secret Codes - one of the most important uses of these codes are to get information about your products and troubleshoot common problems.
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*#06# - IMEI number
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*#1234# - Firmware version
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*#2222# - Hardware version
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*#0011# - GSM network status
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*#0228# - Battery status
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*#7353# - Self test menu
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*#1111# - FTA SW version
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General Safe Mode - If your device hang, freezes randomly, restarts, become slow over time, battery drain so quickly and any other issue then you can boot your device into the safe mode. In this mode the OS temporally turns off all user-installed apps.
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Switch off the phone.
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Press and hold the Volume Down and the Power buttons.
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When you see the Galaxy logo, release only the Power button
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Now all third-party apps (apps that are installed by you) are disabled.
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To exit Safe mode just tap on the Safe mode notification or restart the device manually.
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Developer options - give you access to ADB settings, USB debugging, and various monitoring tools for your device. It's also the one of the first steps to rooting your device.
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Go to - Menu - Settings - About device, Scroll down to Build number, and tap it seven times.
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That's all.
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Did you do it successfully?
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To reassemble your device, follow these instructions in reverse order.
11 Kommentare
Extraordinaire
I can't get 2 my menu,because of safemode and forgotten password! Plse hlp
noah -
thanks for this web page, its very help full for me be cause my cell phone cannot boot properly due,
now it is working properly
thanks
mansoor
I have tried to reset the phone and received the following error message: "Can't establish a reliable connection to the server. This could be a temporary problem or your Android device may not be provisioned for data services. If it continues, call Customer Care."
Shaun Stuurman -
I have a Samsung Galaxy Grand Neo Plus mobile device. Trying to reset but getting this message: "Can't establish a reliable connection to the server. This could be a temporary problem or your Android device may not be provisioned for data services. If it continues, call Customer Care."
Shaun Stuurman -
I press the buttons but it doesn't do anything
Daniel Pinto -
It's post down loading do not turn off target.said the screen
cristy cawile -
It's appear loading do not turn off target on the scre
cristy cawile -
All I get is a red exclamation mark in the upper left corner of the screen
Ina Kapp -