Samsung A21s No Power Solution
CellPhone Solution
Advance Mobile Phone Repairing Institute Badarpur (Delhi)
Course Duration - 25 days
Contact us For Online & Offline Courses
Call & whatsapp - 8287591534 😊
(Hostel Facility Available)
Our Speciality - We Provide Deep Knowledge of Mobile Phone Circuit Diagram🥳🥳🥳
Course Details
• Basic Electronics Components Identity ,Working ,Testing etc.
• How to use Multimeter.
• How to use DC Power Supply.
• Explain about boost / buck / LDO Circuit.
• Explain about RC/LC Circuit.
• How is work digital Circuit. (Pull up & Pull down resistance)
• Explain about GR/Diode value.
• Explain about Cool test & Hot test.
• Explain about Protocols -
I2C LINE
I2S LINE
SPI LINE
SPMI LINE
MIPI LINE
• Explain about Primary & Secondary line.
• How to Diagnosis short circuit by rosin/cc method.
• Explain about voltages & signals deeply.
• We will explain all section by circuit diagram with practical-
Booting sequence of mobile phones
Charging section
Thermal circuit fully explain
Display light section (IPS & AMOLED)
Graphic section (IPS & AMOLED)
Audio section
Network section
Wi-Fi/BT/FM/GPS/NFC theory & practical
Explain about sensors like - Hall /Proximity /Accelerometer etc.
Explain about CPU/EMMC/EMCP/PMU AND ITS COMBINATION
*********************************************************
• REMOVE & install small components right way.
• Under masking jumper
• How to remove pasted ic (black & white paste)
• How to reball ( CPU , EMMC , PMU )
• Right way to remove plastic parts.
• Many more practical & repairing tips.
*********************************************************
• Driver installation (MTK, Qualcomm , SPD etc)
• Tools installation (MRT, UMT, CM2, Z3X etc.)
• How to unlock pattern lock , Google a/c , etc (online + offline)
• How to flash mobile phones online/offline.
• Explain about EMMC programming tools - UFI , JTEG etc.
• How to program EMMC/UFS chip
• How to repair EMMC bad health
• Boot Repair
• EMMC replacement proces
****************And many more repairing tricks
#samsungdeadsolution
#A21snopower
Пікірлер: 110
Thanks useful. Knowledge dil se thanks 🙏🌹 deep information👍
Another Good Information Sir🏌️🏌️ explain with Simplicity...🙏
Nice video Sir Video se Bahut Sikhne ko mila
Sir your are my best teacher ❤🎉
Bahut achhe se sumjhate ho sir app
As always .. great work ... ♥️ From Bengal.
Very nice work sir... Bahot din baad aapka video aaya...
Bahut achha sir 🎉
This is really very good sir Thanks you so much sir
Pranaam sir...nice information sir ji
Very nice sir ji.
very useful video sir.
Nice explain sir thankyou
buht khub...
World class guru jee thanks
👏🖤gurudev prnam
you are always best my sir
1Number samjh gaye sirji✌👌
god job mobile spcilist
Nice helpful information
Apka video very useful
Very nice 👌 solution brother
Best tranar cellphone team🙏🏻
thx u bro u a best
thAnk u sir amaing
Good information sir ji 👍👍👍
Excellent work thnx
Thanks sir ji
Shukria
Nice work bro ❤
Thank you Sir From Pakistan
lovely sir ji
Best teaching mathed
Nice sir g
Thanks sir
Thanks sir ❤❤❤❤
super work sir G
Good Job
Super❤❤❤
easy to understand
Super video Sir
Guru ji 🙏🙌
Good 👍 Solution sir
Great content
Supper sir
Nice sir from Kolkata
Nice sir
Love u from Pakistan 🇵🇰 ❤
Thank you sir.... For such amazing knowledge.. ❤❤
Nice 👍👍👍👍
good sir
Good job 👍🏻 ᴊᴀᴍsʜɪᴅ ᴍᴏʙɪʟᴇ ʟᴀʙ
❤❤❤❤
❤
👌👌👌👏👏👏
Sir g parnam g 🙏🏻🙏🏻🙏🏻
🔥🔥🔥
Nyc information, sir make a video on fluctuating ldo voltage problem.
@user-th7zg5rw2t
9 ай бұрын
U get information from where...railway enquiery
❤️❤️❤️
Sir after a long time
@cellphonesolution
2 жыл бұрын
Ha busy tha
👍👍❤️👍❤️👍❤️👍❤️👍❤️
🎉
👍🤝🙏
Hi, can you share the exactly model of universal stencil that do you use in this video? Tnx
Sir can you posible to explain multimeter reading one side 1850 its normal or half short (samsung m21)
Do you accept courier or post for repairing phone?
Make correction A21s me Emcp bga254 hota he… not ufs
@AliKhan-qr3ki
Жыл бұрын
आपकी बात सही है,,अक्सर कभी बोलने में मिस्टेक हो जाता है,लेकिन जानकारी में कोई कमी नहीं है,👌
Sir a21s display light problem Can you make full videos This problem related
Thanks sir mehrobane karke hafte main kam se kam aik video upload kya kare
good work sir which heat gun is best quick 2008 or quick 857dw+ tell me sir....
@thegsmsolution1
2 жыл бұрын
Both have different features. You need both. One is Straight other is Spiral type.
@Mobile_cafe_jhunir
2 жыл бұрын
857 best hai
Sir same yhi problem mere ph mai thi a21s same model mene cpu or emcp reball kia but ph charging logo par hi atak gya gya DC par bhi charging logo dekhata hai or battery par bhi sir aaap kuch help karenge meri
Me apko guru banana chata hu sir kiya app mujhe ye abser denge to apka bahut bahut Abhari rahunga
Sir iron brush kaha see magaya please Bata do not mil raha h
Mera bhii samssung Galax A20 1s Dade h
Samsung a21s ka power ic change me kitne kharcha aayega sir please reply
1
Sir 1 side 950 other side 1500 value ata ha, aisa condition main keya hoga problem ha
Repier be karta ho sir
Hello..... Sir.... I'm from Bangladesh ..... I want to talk with you Please reply.... #cellphone solution
@cellphonesolution
2 жыл бұрын
Contact us - 8287591534
mera bhi Repair kr do
Sir this power Ic rebelling time what hotair gun heat degree we want to setting sir
@pakkiarajahbaheerathan8280
2 жыл бұрын
Pl explain me sir pl
Sir make english sub to more understand.
Sir. Online. Training. Fee
Sir is mobile ka id pin missing ho gaya Hai kaha hota hai please bataye
how you know the cpu is problem?
Sar isme AMOLED display h?
i try to understand from picture only can you add translation to your video
17:36 bhayya apko kese pata chalta h ke wo NC h
Hotgun Mein Air100 Karke Possible Nehin he Sir Ic Lagana🙏
@cellphonesolution
2 жыл бұрын
Quick 2008 se ap laga sakte ho.
@ChintuMobileservice.Odisha
2 жыл бұрын
@@cellphonesolution Achha
Redmi 5a display not show sir plz help me
Sir Vovo y69 Network Nahi Aa Raha Hai Sir Kya Kare
sir my phone samsung s21 ultra camra not warking
I have charging logo and it showing percentage but wont turn on ?! What can it be ???
Mera poco x3 pro dead ho gya he aaap log repair bhi karte he kya phone? If yes then give details of shop
Samsung a21s ips panel he
Samsung a50 no short no charging power button press karne se 10 se 15 tak apr leta hai L5000-0.75v L5001-0.75v L5002-0.75v L5003-0.75v L5004-0.75v L5005-0.75v L5006-0.75v L5008-1.1v L5009-1.3v L5010-2.0v L5011-0.75v All voltage ok but no power no charging Solution please sir … How to fix this problem sir
Are sir aap galti kar rahe h sir ips lcd hi he a21s me
sorry but Samsung A21S is not AMOLED. it is IPS LCD
Sar aapka phone number do aur kuchh reply karo aur kuchh reply to karo
🎉