How to fix zenfone4.5 stuck at loading screen/ bootloop problem

Asus zenfone 4.5 aku buat hal lagi. Actually dalam keadaan yang agak nazak gak la tapi still bole guna but somehow sistem dia tak berapa nak elok kebelakangan ni. Loading screen stuck dekat logo asus. Google punya google. mmg banyak cara tak leh pakai. tapi Alhamdulillah aku gabung sikit2 dari setiap site and the phone works again, cuma contact2 apps apa semua hilang lah kalau nak back up.
Jadi nak share lah kot phone korang pun ada masalah yang sama. Aku tulis dalam english kanak2 sikit la sebab kot ada orang tak paham bahasa melayu / bahasa omputeh yang advance sgt lulz. Lagipun biasanya lepas fix nanti akan jadi balik so nnti aku bole tengok balik di sini.

So, what to do when your Zenfone stuck at the Asus logo page?

1. First u need to prepare some files.
- apps for cmw. can be downloaded from here:
http://www.mediafire.com/download/xyv15313t2h842s/updateCWM_6.0.2.8_fix_wipe.zip

- and image for the phone version ie jellybean, kitkat etc. this can be downloaded from the Asus page. ini boleh download even for newer version from your current phone version.

After download all the files from laptop, extract cmw file and put the file in your sd card. can use card reader/other phone to put that file in your sd card. also extract the img file then copy to ur sd card.

2. Then,
-open your phone in droidboot mode (press and hold power button and volume up button at the same time)
-connect ur phone to ur laptop by usb cable
-select the option from droidboot to ''download from sd card''
-then look back at ur laptop. select the cmw file then press open.cmd from the file or shift+right click the folder>open.cmd
-type ''flashboot flash update update.zip''
-then ur phone should enter the cmw mode from the droidboot mode.

3. Now look back at your phone.
- in the cmw mode, select update from sd card, browse from sd card
-then choose the img file. (.zip or .rar) file.
- select to confirm want to download from that file, and.. your phone should be updating the img already.

4. After finish update. what to do? Factory reset. but everything will be erased to need to back up ur files.
simply reboot ur phone. sometimes still on the logo.
Try reboot again.
With luck, your phone should show ''android is upgrading - optimizing app...''

you should be able to access ur phone now! :D

Dunno if this will work for your phone but definitely works for mine.

Basically, nk fix benda firmware problem ni kalau dah ada file back up takpe la. tapi kalau baru2 je jadi memang siap sedia la internet lebih kurang satu GB nak download file, sedia laptop dengan alat untuk bukak sdcard. kalau aku, guna phone lain je access sdcard aku untuk transfer file yg di download td. kalau guna card ready pun boleh je kot .

Disebabkan aku ni bukanla orang IT sangat, term2 macam cmw tu pun aku taktaw pebenda, tapi dah dapat fix tu mmg rasa accomplished gila laaa hahaa. Kalau ikut apa yg aku dok buat ni cmw ni untuk kita read file yg dalam benda extract tu tp kita bukak dia sebagai satu 'unit'. lebih kurang mesin autoplay kalau letak dvd kat laptop la.