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The most frequently asked questions about Samsung Galaxy A5 (2017) SM-A520 from our audience.

Evgenii Kuzmin

Repair engineer for the last fifteen years. Huge experience in the repair of electronic devices and gadgets.

Samsung Galaxy A5 (2017) SM-A520
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Samsung Galaxy A5 (2017) SM-A520
My wifi stoped working after the replacement of the battery (cannot fi...

My wifi stoped working after the replacement of the battery (cannot find any network) or ..to be more precise - phone can find wifi network but it has to be just next to router ... What could be the reason? I did all the recomanndation for this problem (including hard reset) but without any succcess ...
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D

Samsung Galaxy A5 (2017) SM-A520
La capasidad de resistencia al agua y al polvo sigue funcionando???

La capasidad de resistencia al agua y al polvo sigue funcionando???
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    Evgenii Kuzmin
    DaPri15
    La capasidad de resistencia al agua y al polvo...
    Hola no estoy seguro En la teoría, si desarmó el teléfono celular correctamente y lo volvió a armar también, sí.
    Reply
B

Samsung Galaxy A5 (2017) SM-A520
What is the name of spray you use to clean under battery

What is the name of spray you use to clean under battery
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    S
    Black jack7
    What is the name of spray you use to clean...
    It appears to be a Russian brand called Rexant can't seem to find what the active ingredient is but any electronics safe (ie non-conductive) solvent would do the job most likely. You can get Isopropyl Alcohol in aerosol cans like that which would fit the bill do be aware that some brands also sell 70% Isopropyl Alcohol as a disinfectant or sanitizer this is not the one you want, get the 99.9% stuff typically this will be marketed as electronics cleaner anyway. The 70% stuff is no good as the remaining 30% is mostly water and it's unlikely to be distilled water either even before you exposed it to the air and it promptly forms a weak carbonic acid solution which is conductive anyway.
    Reply
L

Samsung Galaxy A5 (2017) SM-A520
Good video so far, but the first thing that should have been done was ...

Good video so far, but the first thing that should have been done was the removal of the SIM and SD card trays.
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    Evgenii Kuzmin
    Lynden Nelson-Santo8
    Good video so far, but the first thing that...
    Yes, you are right, no doubt!
    Reply
H

Samsung Galaxy A5 (2017) SM-A520
If you open it for first time, it'll lose the waterproof quality?

If you open it for first time, it'll lose the waterproof quality?
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    Evgenii Kuzmin
    HAROLG8
    If you open it for first time, it'll lose the...
    Hi, depends on... You should disassemble it, carefully, as assemble carefully, too, also, to glue the back cover you must use a sealant. If you will do it correctly the waterproof will safe but within bounds of reason.
    Reply
Z

Samsung Galaxy A5 (2017) SM-A520
What glue would you recommend to put the case back on?

What glue would you recommend to put the case back on?
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M

Samsung Galaxy A5 (2017) SM-A520
What is the 3M tape/adhesive being used? And are there alternatives, ...

What is the 3M tape/adhesive being used? And are there alternatives, assuming this comes in industrial quantities.
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    Evgenii Kuzmin
    Michael Kenny6
    What is the 3M tape/adhesive being used? And...
    Hi, take a look at 3M Electronics Tapes & Adhesives (3m 9448a) on the 3m website.
    Reply
r

Samsung Galaxy A5 (2017) SM-A520
Please help me to remove the password sign.

Please help me to remove the password sign.
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    Evgenii Kuzmin
    roseline
    Please help me to remove the password sign.
    Hello, press the volume up, menu, and power buttons for 10 seconds. The recovery menu will appear. Select factory reset and confirm the choice. After that, there will be a complete reset of the settings and information. The phone will return to the factory settings. All information on the phone will be erased! If you have had a Google account on the phone, you will need to sign in it again to get all your stuff back like phone numbers, pics on Drive, etc.
    Reply

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