How to Hard/Factory Reset | Bypass screen lock on Samsung SM-J400M?

All tutorials for Samsung SM-J400M

How to Hard Reset on Samsung SM-J400M?

Make sure you turned off your phone. Press and hold the Power key and the Volume up key for a few seconds. If it doesn't work, try holding down the Home key, the Volume Up button, and the Power key. Wait...

How to Factory Reset through menu on Samsung SM-J400M?

Press the Power key to turn on the device. Go to "Settings" and select "General Management". Now, go for "Reset". Tap on "Factory Data Reset". Lastly, choose...

How to Flash Stock Firmware on Samsung SM-J400M?

First, download to your PC: Odin3 latest version, Firmware, Samsung Kies, and Samsung Drivers: Samsung Kies Odin3 latest version Samsung Drivers With the phone turned off press and hold the Volume down key, the...

Top 5 secret codes for Samsung SM-J400M

The first is :*#7353*#. Use this code to open the Quick Test menu that allows you to test different options of your device. The second is :*#0*#. Use this code to enter the General Test Mode where you can test...

Enable Developer mode & USB debugging on Samsung SM-J400M

Turn on your device and open "Settings". In Settings select "About Phone". Click on "Build number" seven times and go back to "Settings". Finally, select Developer...

How to take screenshot on Samsung SM-J400M?

The device must be switched on. Choose what you want to capture. Then press the Power key and the Volume down button at one time. Great! Now you have a new screenshot.

Overview

Samsung SM-J400M runs on the processor 1.4GHz E x ynos 7570 with Quad-core . It has internal memory 16GB and RAM (RAM) 2GB and supports microSD, up to 256 GB (dedicated slot). This model also has 3.5mm jack, supports Bluetooth version 4.2, A2DP, EDR, LE and GPS technology Yes, with A-GPS, GLONASS, BDS . The USB port supports microUSB 2.0 and Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot. Its technical characteristics are also the screen size 5.5 inches, (~72.0% screen-to-body ratio), the resolution 1280 x 720 pixels (~267 ppi density) and the type Super AMOLED capacitive touchscreen.

SpecificationSamsung SM-J400MGalaxy J4

Model and Features
Model	Samsung SM-J400M
Series	Galaxy J4
Release Date	May, 2018
Body Depth	8.1 mm (0.31 in)
Body Dimensions	151.7 x 77.2 mm (5.94 x 3.13 in)
Body Weight	175 g (6.17 oz)
OS	Android Oreo 8.0.0
Hardware
CPU	1.4GHz E x ynos 7570
CPU Cores	Quad-core
RAM	2GB
Internal Memory	16GB
External Memory	microSD, up to 256 GB (dedicated slot)
Network and Data
SIM	2 Micro-SIM
2G bands	GSM 850/900/1800/1900MHz
3G bands	HSDPA 850/900/2100MHz
4G bands	-
5G bands	-
Technology Data	GPRS/EDGE
Display
Screen size	5.5 inches, (~72.0% screen-to-body ratio)
Type	Super AMOLED capacitive touchscreen
Resolution	1280 x 720 pixels (~267 ppi density)
Colors	16M colors
Battery and Keyboard
Battery	Removable Li-Ion 3000 mAh
Physical keyboard	-
Interfaces
Audio output	3.5mm jack
Bluetooth	version 4.2, A2DP, EDR, LE
DLNA	-
GPS	Yes, with A-GPS, GLONASS, BDS
Infrared port	-
NFC	-
USB	microUSB 2.0
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot