Tips and solutions for solving SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) problems. Some users would like to have 4.5 inches LCD screen smartphone for easier to navigate with touch screen, now Samsung already release SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) with 4.5 inches screen and Quad Core 1.2 Ghz using 768 MB RAM. Having more RAM is recommended for doing more multitasking activity, and Samsung Galaxy Core 2 users will love to have 768 MB RAM. This smartphone also have 5 megapixel camera include LED flash for helping taking better pictures at low light situations. There are 2 kind of simcard slot, single sim card and also dual sim card which usually call Samsung Galaxy Core 2 Duos.
What is Advantage of SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) Specifications:
GSM 3G HSDPA (Dual Simcard slot for SAMSUNG GALAXY CORE 2 DUAL)
LCD 4.5 inches
Internal memory 4GB
RAM 768 MB
External memory microSD, up to 64 GB
Main Camera 5 MP, 2592 х 1944 pixels, autofocus, LED flash
Processor Quad-core 1.2 GHz
Operating system Android OS, v4.4.2 (KitKat)
Battery Li-Ion 2000 mAh
How to Fix or Problem Solving for Recovery SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) hang or not responding or malfunctions or stuck or freezing or bricked ?
This smartphone have 4 GB internal memory and can be add more with external memory maximum 64GB. Using 4GB internal memory basically is average amount, not to much but not to small either. By default SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) already include with Samsung applications and some other more, but like other Android smartphone, we can install more applications from Google Play Store as well. But we have to know that some applications at Google Play Store may not really compatible with our SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H), then it can make our phone become trouble like hang or stuck or bricks or broken or freeze or boot loop at Samsung logo or LCD touch screen not responding. If this conditions happen to our phone, then we should try to do soft reset or do shutting-down or reboot or restart to remove temporary files or cache that can make trouble. If the problem still happen then we should have to do hard reset or master format, but we should carefully because doing hard reset will remove or wipe any important data and installed applications, therefore we suggest to do backup all data before doing hard reset.
How to Force Shutdown or Force Soft Reset or Reboot or Restart SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) ?
If our SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) become trouble like stuck or bricks or freeze in the middle of running applications, then we should have to force shutdown or force soft reset or reboot or restart to clean temporary files which can cause the phone become trouble. The easy way to do soft reset can be done by unplug the battery after remove the back cover case at SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H), wait about 5 seconds and we can insert again the battery at the right positions. After that we can press POWER button to turn it on again. Doing soft reset or reboot or restart will not impact anything to our important data, that’s why we can do soft reset or reboot anytime we want. At normal situations, we can doing soft reset by press and hold POWER button until the pop-up menu appear, then choose Reboot / Restart to finish the soft reset process.
#Option 1, How to Hard Reset SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) with software menu:
#Option 2, How to Hard Reset SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) with Hardware key button:
How to Restore and Reinstall Clean Android Operating system / firmware at SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) ?
Some situations can make our operating system or firmware become damage. There are no special characteristic to determine our operating system broken, but usually our SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) become act strange or can not work properly. First, we should know that the file source of clean factory default Android operating system or firmware already saved inside SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) ROM, so we do not need to copy or connect our phone to other device or gadget. The reinstall can be perform easily by doing hard reset or master format process above. Performing hard reset or master format the SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) will be reinstall clean factory default operating system automatically. All data will and all installed applications will be remove and will back to factory default Samsung Galaxy Core 2 applications.
How to Unlock or Fix or Bypass or Solutions for SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) forgot password code or security lock screen pattern or pin (lost password)?
There are some options to give more security protections at our SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H), and we are recommended to use screen lock pattern which is more easy and faster to use. Some users still like to use password pin protection or any other options that also available at SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) security setting menu. The problem happen when we forget the answer of our security protections. But unfortunately Google already have some options to bypass or unlock forgot security protections by using Google account or Gmail username and password. Please try to give several time wrong answer continuously until the phone freeze for about 30 seconds, at this time we will find Forgot Password / Pattern button, press this button to unlock forgotten security protection using Gmail account that already saved inside this phone. There are also Backup PIN which is asking when the first time we give security protections, this Backup PIN at SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) will unlock the forgotten security protections as well. If we can not access the Backup PIN protection or can not connect to Google account, then we have to do hard reset or master format with hardware button.
How to Improve Performance SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) to make run more faster?
If we see the specification at SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) already use Quad Core 1.2Ghz which already fast enough to do activity. But some users maybe get trouble with the speed that their SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) become slowly. The problem usually happen because there are too many applications run in the background. The common situations, users install or download some applications from Google Play Store, some of that applications sometime will keep run in the background without any notification, because it wait for some command or need to update data from Internet. Every applications need some amount of RAM and processor resources, if there are too many applications run in the background, then it will make the resource become low and will make the phone slowdown. Please try to remove some not use applications, or we if we want to make SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) performance back to faster again like new, then we need to consider doing hard reset or master format.
Is That Any Secret Code for Doing Format SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) ?
We can try to use secret code for doing hard reset SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) is *2767*3855#. But please remember to always be careful typing that code, because the SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) will doing hard reset and remove all data and installed applications.
First you have to make sure that LCD brightness is not too bright, because more bright we use at LCD, then it will consume more battery power. You may also try to disable auto brightness and set as low as possible which still fit to our situations. Especially when we want to use more longer for watch movie or playing games. We also have to disable all not use connections like GPS or Bluetooth or Wifi. SAMSUNG GALAXY CORE 2 & CORE II DUAL (SM-G355H) have GPS battery saving mode options when we want to reduce battery usage for specific applications.
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Hi
I want to re-fresh my Galaxy core-2, please suggest procedure.
Thanks
Hi, first please do backup all important data at your Samsung Galaxy Core 2 either at microSD card or at computer storage or at cloud storage. After that, if your Samsung Galaxy Core 2 still can work and boot properly then please follow steps to hard reset using menu Setting at #Option 1 step above. If you want to totally clean, then do not forget to give mark at checkbox to erase all data.
my samsung phone is automatically turning off again and again just after i switch it on just showing powered by android and then swithes off vibrating slowly and keeps repeating untill i remove my battery
Hi, usually this problems happen because your Samsung Galaxy Core 2 power button get trouble. In some case this button broken because of soft / hard case. If you still use soft/hard case, please remove that case first, then try to do hard reset or master format. If your Samsung Galaxy Core 2 still get the same problems, then you can try to do hard reset or master format. If still ge the same problems, then please repair your power button hardware to Samsung authorize service center.
In my samsung core 2 numbers are mismatching say , if i am calling rajat , name is coming tushar but the no. Is correct
Hi, usually contact will keep correct name when use for make phone call. However, if this conditions still happen at your Samsung Galaxy Core 2, then you have to backup all contact to Google account and please do hard reset with menu Setting above to reformat Samsung Galaxy Core 2 operating system to factory default. After that you need to login again with the same Google account.
Hi
My mobile sumsung Galaxy core 2 sm G355h/ds.
I'm Internet calling start automatic 6 minutes 26 sec.stopped and massage unfortunately error.
Why so ?anyway problem setting?
Please send me answer.
Hi, what apps that you use for internet call? if you can use any other internet applications to browse internet or streaming video, then maybe that applications need to reinstall again. However, you also can try to do hard reset after backup all important data from your Samsung Galaxy Core 2.
My Samsung galaxy core 2 duos does not let me unlock after new software installation
Please help
Hi, what kind of locked conditions that you have right now? If because of screen lock protections, then you can unlock or bypass using Gmail account. But if your Samsung Galaxy Core 2 locked by some applications, then each apps have their own steps to bypass forgotten password. However, you can try to hard reset your Samsung Galaxy Core 2 using hardware button combination key.
Hi, my samsung core 2 always vibrates when notifying me with a message and I can't find where to disable it, it drains battery quickly so I'm looking for a way to disable the vibration, pls help, thanks in advance
Hi, please try to disable at menu Setting > Sound & notification, choose some vibrate notification options at your Samsung Galaxy Core 2
giv mi samsung death coad
Hi, if you need secret code to hard reset then please dial *2767*3855# at your Samsung Galaxy Core 2
How to update Samsung galaxy cour 2 internal memory?
Hi, the internal memory of Samsung Galaxy Core 2 is 4 GB, we can not upgrade that size unless doing special custom tweak or root, but it is risky and we are not recommended to do that. Please install only important applications, and remove not use one.
Hi
camera of my galaxy core 2 is not operating, it shows camera fail when i open it.
what should i do to restore it?
Hi, first you can try to use 3th party free camera applications from Google Play Store like Camera 360 or Open Camera, if it can work then you can use that apps for daily camera activity. If all 3th party camera apps still can not access camera hardware, then try to hard reset your Samsung Galaxy Core 2 using menu Setting, because your phone still can boot normally.
my phone dosent start when i was try hard reset option 1.when i click power butten its show only samsung glaxy core 2 or upper left corner show ! (this sign).now how can i solve this problem
Hi, if you can not reformat your Samsung Galaxy Core 2 using menu Setting, then please try to follow steps at #option 2 above to do hard reset using hardware button combination key. Just make sure your Samsung Galaxy Core 2 battery is not empty.