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Zsolt Pinter
Attends University of Miskolc
Lived in Debrecen
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Zsolt Pinter

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Project: Resurrecting the Nexus 4
If you have a broken phone, probably it's fully functional except one or two hardware elements. With this post I want to help others with information that is difficult or impossible to find on the Internet.

The story:
In my case, the Nexus 4 digitizer stopped detecting touches in the middle of the screen in a line after years of heavy usage. I contacted all the phone repair stores in my hometown, because the warranty was not valid after years of course. The Nexus 4 digitizer can't be replaced easily without replacing the full display, so they wanted around 130 Euros for fixing the device.
I found it too much, so I ordered a new display and a digitizer with repair tools from eBay for around 50 Euros and I used my heater to remove the glue of the digitizer and fix it for myself.
After turning on the phone, I felt the quality of the display isn't as good as the original one, but it worked just fine.
After a half year, the digitizer started to show 5-6 ghost touches in one second and one week later the display also stopped working:
https://www.youtube.com/watch?v=vB4hNVVRsEs
That time I decided it doesn't worth to buy a new display again.

The solution:
I decided I make a PC from the phone and the TV because except the display, everything just works fast and fluently and it runs the latest 5.1 Android.

I purchased a Simplort adapter to use the TV as the phone display,:
http://www.ebay.com/itm/231457825298
And I also purchased a mini Bluetooth keyboard with touchpad to control the system:
http://www.ebay.com/itm/231416381741
You can't use a USB hub with Slimport, it means you can't plug in your wireless 2.4 GHz radio keyboard, must get a Bluetooth keyboard. After some research I found I will have problems with the special Hungarian characters, so I decided to buy with English layout. It's perfect for browse the web or search or chat or basically enough for everything.

Yes, the Nexus 4 can boot without display
This was important for me, because if it is connected to the motherboard, the ghost touches coming from the broken digitizer would make the device unusable. The display has 2 connectors, the bigger is for the screen itself, other is for the digitizer.
I booted the phone without connecting them to the motherboard. I connected it to the TV via Slimport, and luckily I had picture on TV. I connected the digitizer and the screen to the motherboard and with some work I was lucky enough to quickly pair the phone with the bluetooth keyboard.
After the successful pairing I put a simple tape on both connectors, because I don't need the phone display anymore. It would just consume power and heat the device.
After I assembled the phone, I crossed my fingers and long-pressed the power button. 20 seconds later the TV showed the end of the boot animation I knew everything is fine and I not just have picture on the TV, but I also have control.
Previously I checked MHL vs. Slimport reviews, which said the MHL is the better, however I have 5.1 audio and I absolutely don't have any lag and I am fully satisfied with the result.

The Nexus 4 renders the screen in fullHD with 60 FPS
The LG Nexus 4 comes with 4.7 in (120 mm) diagonal TrueHD IPS with Corning Gorilla Glass 2, 768×1280 px (318 ppi).
However, the Adreno 320 GPU drew 60 frames in a second with 1920x1080p resolution!

Force landscape
I could attach a phone holder to the TV, which can hold the device horizontally. This way, the screen is forced to stay in landscape mode. I changed Google Now launcher to Nova launcher to make the landscape mode permanent:
https://play.google.com/store/apps/details?id=com.teslacoilsw.launcher
OK Google hot word detection also works with this launcher.

How to get charging AC intead of charging USB
The Slimport needs power through microUSB to work and to charge the phone. All the power outlets are used, so I only can get the power from the TV. Luckily, the TV has one 1A USB output, which is ideal for using as the Slimport power source. However, getting faster charging also needs good cable. Only use 28/24 gauge cables for powering the system!
http://www.reddit.com/r/Android/comments/1ynwb4/is_your_android_device_charging_slowly_and_you/
After 3 hours of heavy usage the phone is not hot at all, and the battery is also charged with +20%.

Battery life and phone settings
The phone is always plugged into the HDMI port, but it only gets power, when the TV is on. I made a test:
I set the display to never turn off (because I can change the signal source on the TV), I disabled the screen lock, and I changed the location service from high accuracy to battery saving (on the home Wi-Fi it is as accurate as GPS) and I keep Wi-Fi and Bluetooth always on. With this setup, the battery drained from 100% to 49% in 4 days and a few hours. I think it is pretty impressive from a more years old battery!
If someone turns on the TV during the week, the battery can't be discharged thanks to the battery saving functions of Android 5.1 Lollipop. I am thinking of turning "always listening hot word detection" on.
The phone has 2100 mAh battery, it won't cost much to leave the phone always on.
When I need something, I just change the source on the TV to the Slimport HDMI and I can use it without any loading time.

Usage
Now we have a really Smart TV with great features of the latest Android, we have a fast Google Chrome (which is way much faster and better than the TV's browser), we can install million more apps than previously, and basically the loading time is just gone (for example at YouTube). Now it has a fully functional office, and fitness app, and finally we can use the TV for video chatting. And who knows what other usage we will find out in the next few weeks. First we have to get familiar with the system, it is like we have a new TV :)
I also installed the AllCast Receiver from +Koushik Dutta :
https://play.google.com/store/apps/details?id=com.koushikdutta.cast.receiver
Finally we can easily mirror other devices' screen to the TV.
I tried to use Cheapcast, it would be a dream to make it work, but it seems Google doesn't let Android phones work as a Nexus player. (Actually they are doing the same with Android Auto).
If I don't want to mirror other screen, or I want to send content from PC, I use +Pushbullet to easily share content to the N4:
https://play.google.com/store/apps/details?id=com.pushbullet.android
To make sure I don't loose the connection (I don't want to disassemble the phone again lol), I installed +Cerberus  as a device administrator, I can use it's commands or the shell for some remote access.
https://play.google.com/store/apps/details?id=com.lsdroid.cerberus

Closing words:
Probably you also have a smartphone which has a small problem, and you don't use it anymore. With a little work probably it can be used for some kind of server and it may worth to play with it.
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Zsolt Pinter

Questions & Answers  - 
 
Hi guys, how do you get emails from your domain? Which option is better and why?
76 votes  -  votes visible to Public
58%
42%
Gmail fetch POP3
58%
Email forward from mydomain
42%
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Ramsez Stamper's profile photoBrym Stone's profile photoTexx Smith's profile photo
13 comments
 
+Ramsez Stamper No, but they are saving a copy (not to mention scanning your e-mail for keywords and pictures and files that meet profiles with famously inaccurate software), this saved copy is like speech.  It's like talking to a plaintiffs attorney without your lawyer present.  Deleting the e-mails (totally legal) is like not talking to the plaintiffs attorney without your lawyer.  It's just common sense and good practice.
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Where do you explore?  - 
 
I shot these photos on a wine and culinary festival in Cserépfalu, Hungary - a small village of 2,000 inhabitants. +Ákos Váradi 
 ·  Translate
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Environment  - 
 
I just captured this video in my hometown, Debrecen (Hungary):
https://www.youtube.com/watch?v=86cvCEhndnM
I hope you will like it ~
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UTP cable with built-in firewall
 
Hálókábel beépített tűzfallal
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Who needs domain names? Just convert your IP address from base-256 to base-10 decimal. http://847929374. It's like a phone number
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Right now, the FCC is considering a proposal to require manufacturers to lock down computing devices (routers, PCs, phones) to prevent modification if they have a "modular wireless radio" or a device with an "electronic label". Take action now!

https://libreplanet.org/wiki/Save_WiFi/Individual_Comments
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Discussion  - 
 
M Preview 3 has new Android 6 Marshmallow boot animation!
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You have to flash the new image, and when you download it from the Android Developers webpage, the boot.img is included.
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Nyomó-hegy #sunset  
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Perzselő hőség a Hortobágyon +Időkép​
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The text-only web browser runs in the Google Cloud and helps you read even modern websites. It is powered by Google Apps Script and can also work as a proxy server.
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Zsolt's Collections
Story
Tagline
Illegitimi non carborundum.
Introduction
I'm an engineer student, geek, Ingress agent, skilled in tech.
Reduce, reuse, recycle is part of my life philosophy. We all live on the same rock, keep this in mind!
  • I've always been interested in science, electronics, technology and I try to keep myself updated with the latest stuff. I like making projects with Linux based embedded systems and additional circuits, but I'm also interested in the power of software through Android development. 

  • I like learning about foreign countries, cultures, food, life... I'm especially interested in Asia.
    In my free time I like spending my time with walking (I walk a lot), exploring the area, doing different kind of sports, and hiking, but unfortunately my country is not famous for its mountains. While I'm outside, I like taking photos (especially photo spheres), don't forget to check them!
    Oh, and I collect coins, too! I have old, new, polygon, Cyrillic, Arabian, Chinese... basically any kind of coins! I also have a coin with fraction on it! The oldest is almost a century old, and the most exotic is somewhere from a tropic island.
  • I'm not a big music listener, but I usually listen to indies, OSTs, chill out music, CMA is one of my personal favorites.
    You can find my SoundCloud likes as well as IMDb rating history in the link section below. 

  • You can expect me to post about my experiences, blog posts about events happened to me, some articles or everything I care about.
    Please note that this is a personal profile, all my views are all my own.
Feel free to circle me up!
Bragging rights
I've started studying Chinese as my third foreign language.
Education
  • University of Miskolc
    Electrical Engineering MSc, present
    Process Control and Industrial Communication Systems
  • University of Miskolc
    Electrical Engineering BSc
    Industrial Automation and Communication
Basic Information
Gender
Male
Looking for
Networking
Other names
prwnd, 敖明
Zsolt Pinter's +1's are the things they like, agree with, or want to recommend.
Google On – Aplicaţii Android pe Google Play
market.android.com

Google On is the companion app for OnHub, a router for the new way to Wi-Fi.The Google On app lets you set up and control your OnHub right f

Google My Business - App Android su Google Play
market.android.com

Con Google My Business entri in contatto con i clienti che usano Ricerca Google, Maps o Google+. Usa l'app gratuita per:- Aggiornare i dati

PortDroid network analysis – Android-alkalmazások a Google Playen
market.android.com

Network analysis app with several useful tools including ping, traceroute, port scanner and local network discovery. This app is highly conf

PageSpeed Insights
developers.google.com

Web Performance. Learn more about web performance tools at Google, including browser extensions and APIs for Insights, PageSpeed Service, an

JuiceSSH - SSH Client - Google Play の Android アプリ
market.android.com

The all in one terminal client for Android including SSH, Local Shell, Mosh and Telnet support. Features: - Full colour terminal / ssh clien

SDR Touch - Live offline radio – Android-alkalmazások a Google Playen
market.android.com

Turn any mobile phone or tablet into an affordable and portable software defined radio scanner with spectrum analyser. Listen and record liv

RTL2832U driver - Aplicaciones Android en Google Play
market.android.com

An Android port of rtl-sdr's rtl_tcp http://sdr.osmocom.org/trac/wiki/rtl-sdrThis app is released under GPL2+ as a derivative work of rtl_tc

YouTube Gaming – Програми Android у Google Play
market.android.com

YouTube Gaming keeps you connected to the games, players, and culture that matter to you. Featuring videos and live streams with chat — incl

Debian noroot – Android-alkalmazások a Google Playen
market.android.com

This app will install Debian Jessie. You do not need to root your device, it will work fine with any stock ROM. You will need 900 Mb free on

Vysor (Beta)
chrome.google.com

A window to your Android

Rooted SSH/SFTP Daemon – Android-alkalmazások a Google Playen
market.android.com

Az SSH / SFTP Server for Android! SSH és SFTP egy Android eszköz ★ ★ Device kell gyökereznie van, és mind a rendszergazda és BusyBox telepít

BotBrew Basil EXPERIMENTAL – Android-alkalmazások a Google Playen
market.android.com

This is an EXPERIMENTAL build of BotBrew that uses Dpkg and Apt instead of Opkg. It's a pretty rough work-in-progress and definitely has bug

Microsoft Hyperlapse Mobile – Android Apps on Google Play
market.android.com

Say goodbye to long videos that no one watches, and hello to Microsoft Hyperlapse.Microsoft Hyperlapse is a new technology that creates smoo

앵그리버드2 - Google Play의 Android 앱
market.android.com

사상 최대의 모바일 게임 앵그리버드가 더욱 강력해진 후속 게임으로 돌아왔습니다! 앵그리버드 2는 놀라운 그래픽, 도전적인 멀티-스테이지 레벨, 교활한 보스 돼지와 엄청난 파괴력으로 새총 게임플레이의 새로운 시대를 열 것입니다.새를 선택하세요! 최고의

Assassin’s Creed® IV Companion - Android Apps on Google Play
market.android.com

Elevate your Assassin’s Creed 4 Black Flag experience with this unique companion app. Turn your tablet device into a second screen that prov

QuizUp - Aplicaciones Android en Google Play
market.android.com

QuizUp es un juego multijugador de trivia gratuito, ganador de múltiples premios. Desafía a tus amigos y conoce nuevas personas que comparte

Force Touch Demo - Android Apps on Google Play
market.android.com

I just wanted to demonstrate this ability which Android has had for many years.

Live screen streaming - Android Apps on Google Play
market.android.com

Are you a mobile gamer? Now you can let your friends and followers tune in to Twitch or YouTube to watch you play your favorite mobile game

I hate when I will have an exam early in the morning, and I still can't have rest at 2 am because my bed is jumping thanks to Uni Café.
Public - 5 months ago
reviewed 5 months ago
I couldn't spend more time here, but looks like a beautiful tea oasis..
Public - a year ago
reviewed a year ago
They have a large variety of tea, the seller gave me helpful tips. Recommended.
Public - a year ago
reviewed a year ago
22 reviews
Map
Map
Map
The atmosphere of the place is excellent. The food was well-made and delicious. The service was OK, and drink was very expensive, but I enjoyed being there altogether.
Public - 7 months ago
reviewed 7 months ago
Everything is fine even after multiple purchases.
Public - a year ago
reviewed a year ago
Az ételt drágállom, bár nem volt annyira rossz. A felszolgálás nekem sem volt megszokott, de ettől még nincs kizárva, hogy mégegyszer betévedek oda.
Food: GoodDecor: GoodService: Poor - Fair
Public - 2 years ago
reviewed 2 years ago