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

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
What is the 3M …

What is the 3M tape/adhesive being used? And are there alternatives, assuming this comes in industrial quantities.
    Evgenii Kuzmin
    Michael Kenny6
    What is the 3M tape/adhesive being used? And are…
    Hi, take a look at 3M Electronics Tapes & Adhesives (3m 9448a) on the 3m website.
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Samsung Galaxy A5 (2017) SM-A520
Good video so far, …

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

Samsung Galaxy A5 (2017) SM-A520
My wifi stoped working …

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 ...
Z

Samsung Galaxy A5 (2017) SM-A520
What glue would you …

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

Samsung Galaxy A5 (2017) SM-A520
What is the name …

What is the name of spray you use to clean under battery
    S
    Black jack7
    What is the name of spray you use to clean under …
    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.
D

Samsung Galaxy A5 (2017) SM-A520
La capasidad de resistencia …

La capasidad de resistencia al agua y al polvo sigue funcionando???
    Evgenii Kuzmin
    DaPri15
    La capasidad de resistencia al agua y al polvo si…
    Hola no estoy seguro En la teoría, si desarmó el teléfono celular correctamente y lo volvió a armar también, sí.
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Samsung Galaxy A5 (2017) SM-A520
If you open it …

If you open it for first time, it'll lose the waterproof quality?
    Evgenii Kuzmin
    HAROLG8
    If you open it for first time, it'll lose the wat…
    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.
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