<SEC-DOCUMENT>0001341004-21-000337-index.html : 20211115
<SEC-HEADER>0001341004-21-000337.hdr.sgml : 20211115
<ACCEPTANCE-DATETIME>20211115101434
ACCESSION NUMBER:		0001341004-21-000337
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20211115
DATE AS OF CHANGE:		20211115
GROUP MEMBERS:		ATTL HOLDINGS UK LTD
GROUP MEMBERS:		IMTIS HOLDINGS S.A R.L.
GROUP MEMBERS:		INTERNATIONAL MOBILE TELECOM INVESTMENT STICHTING ADMINISTRA
GROUP MEMBERS:		L1T UB HOLDINGS S.A R.L.
GROUP MEMBERS:		LETTERONE CORE INVESTMENTS S.A R.L.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TURKCELL ILETISIM HIZMETLERI A S
		CENTRAL INDEX KEY:			0001071321
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			W8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-60791
		FILM NUMBER:		211407170

	BUSINESS ADDRESS:	
		STREET 1:		AYDINEVLER MAHALLESI INONU CADDESI NO 20
		STREET 2:		KUCUKYALI OFISPARK, MALTEPE
		CITY:			ISTANBUL
		STATE:			W8
		ZIP:			34854
		BUSINESS PHONE:		902123131244

	MAIL ADDRESS:	
		STREET 1:		AYDINEVLER MAHALLESI INONU CADDESI NO 20
		STREET 2:		KUCUKYALI OFISPARK, MALTEPE
		CITY:			ISTANBUL
		STATE:			W8
		ZIP:			34854

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Letterone Investment Holdings S.a.r.l.
		CENTRAL INDEX KEY:			0001657739
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			N4
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		1-3 BOULEVARD DE LA FOIRE
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L1528
		BUSINESS PHONE:		352 2638 771

	MAIL ADDRESS:	
		STREET 1:		1-3 BOULEVARD DE LA FOIRE
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L1528
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>sc13d-a21.htm
<DESCRIPTION>SCHEDULE 13D, AMENDMENT NO. 21
<TEXT>
Document 1 - file: sc13d-a21.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.16
<SEQUENCE>2
<FILENAME>ex99-16.htm
<DESCRIPTION>EXHIBIT 99.16 - LETTER DATED OCTOBER 28, 2021
<TEXT>
Document 2 - file: ex99-16.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image0.jpg
<TEXT>
Document 3 - file: image0.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>image1.jpg
<TEXT>
Document 4 - file: image1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>image2.jpg
<TEXT>
Document 5 - file: image2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>image3.jpg
<TEXT>
Document 6 - file: image3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>image4.jpg
<TEXT>
Document 7 - file: image4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>image5.jpg
<TEXT>
Document 8 - file: image5.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>image6.jpg
<TEXT>
Document 9 - file: image6.jpg

</DOCUMENT>
</SEC-DOCUMENT>