ENABLE LTE on Samsung Handsets. Must be ensure handset have the LTE 1800Mhz band 3
hardware compatibility.
NOTE:
1) Custom ROMs / ROOTED Phones might does not support codes to enter service menu all
these.
To enable LTE on root phone first step - with a simple method to check their device for
root Download “Root Checker” app from google play.
https://play.google.com/store/apps/details?id=com.joeykrim.rootcheck&hl=en
2) If phone is rooted then move further to second step – Download “4G LTE Switch” app
from google play.
https://play.google.com/store/apps/details?id=com.tapbase.LTEswitcher&hl=en
3) Select Preferred Network Type from the given menu & restart the device.
LTE/GSM/CDMA auto (PRL)
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Getting into Service Mode (SM) – not for custom ROM’s / Rooted Phone. On Samsung mobile handsets, you have to do this: Go to dial pad and enter: *#0011# This will initially take you to Service Mode and showing you various signal stats items (GSM/LTE), by default. But it's a locked entry. So to unlock and go to the Main Menu do this:
==> [MENU] + [Back] ==> [MENU] + [Key Input] + "Q" (without Quotes) ==> [MENU] + [Key Input] + "0000" (without Quotes) ==> <wait ~5-10 seconds>
SAMSUNG ACE GT – S7275R (ACE 3)
1) Go to dial pad and enter: *#0011# new windows appear automatically.
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Click on Service Mode menu
Click Back Once and then press Key Input. Type capital Q & press OK
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Click Key Input again & Enter 0000 press Ok ( wait 5-10 secs)
Main Menus will be displayed. Click UMTS from the Main Menu.
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Click BAND Selection – 2nd Option & set to automatic. Wait it will auto configure.
Enjoy 4G/LTE data on your phone. Disclaimer: 1) The above mentioned settings tested successfully on Android 4.2.2 ver or below OS
versions on Samsung ACE 3 GT- S7275R LTE model. Any updates or factory reset from phone requires setting steps again to reinstate LTE.
2) Above steps must be followed properly to activate the 4G/LTE services on handset to ensure any data loss/damage to file system.
3) Above procedure is for self-learning which has been based on tried and tested on the usage/implementation. ProP
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