How to use 4g sim in 3g android mobile phones

How to use 4g sim in 3g android mobile phones

If your device is used mediatek chipset processor then follow below steps to use 4g sim in 3g android mobile phones.

1. Now Download Mtk Engineering Mode app in your mediatek android device.
2. Install and Open it , and click on Mtk Settings.
3. It will redirect to Engineering mode of your android.
4. Now scroll down , And click on “Network selecting/Preferred Network” Option.
5. You”ll see many network mode , Just select 4g From it.
6. Now insert 4g sim in 1st slot and restart your device.
7. you “ll get 4g signal in your 3g handset.

or

1. Open dialer and enter this Ussd code *#*#4636#*#* to open engineering mode.
2. Click on Phone Information.
3. Scroll down and select “Set Preferred Network Type” >> Then select “LTE/GSM auto” Option.
4. Done ! You get 4g signal in 1st slot.

Notes

1. Working on some 3g android Phones which have At least Kitkat version.
2. You don’t get 4g speed you just make your device 4g compatible.

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