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sim unlocked / low network signal problem

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mrashoo
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Default sim unlocked / low network signal problem

i have an sim unlocked I337 in pakistan prob is im having very low signals on almost all networks but when i use these sims on other phones the signals are ok only S4 has low coverage i have tried all modems available for model but same issue only one network is working correctly on S4 any idea what might be the problem need a fix for tha

is it like ATT models when unlocked gives a bit of low reception compared to other phones ?
 
sway8966
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Originally Posted by mrashoo View Post
i have an sim unlocked I337 in pakistan prob is im having very low signals on almost all networks but when i use these sims on other phones the signals are ok only S4 has low coverage i have tried all modems available for model but same issue only one network is working correctly on S4 any idea what might be the problem need a fix for tha

is it like ATT models when unlocked gives a bit of low reception compared to other phones ?
I unlocked my SGH-i337 and used sim cards in Thailand and Burma. No problem with reception.
Check the wireless bands use in Parkistan and play around with your network setting.
========================================
Galaxy S4 SGH-I337 NC1 baseband: GF 3.0 with SS
HTC Vivid : CM-11
Motorola Xoom Wifi : CM 11
 
mrashoo
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its GSM900 here and config screen shows GSM 900 available tried all network settings .. only GSM gsm and LTE etc...
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